Rescuing dogs is both a wonderful and heart-breaking thing to do. When I met Jeannie in 2007 she had been rescuing dogs from the streets of Guaymas in Mexico for years, attending to their immediate needs, and finding homes for them mainly in Arizona. The stories she had to tell were incredible. A year later I moved from Devon, England, out to Mexico with Pharaoh to be with Jean and then in 2009 started writing this blog. In 2010 when we came North to the USA to be married we brought with us 16 dogs much to the amusement of the US Border officer as we entered the USA.
So this story in The Dodo naturally jumped out at me.
Dog Chained In Abandoned Backyard Can’t Believe He’s Finally Being Rescued
“He ‘meeped’ like a muppet, he was so excited, so he got the name Beaker!”
When a man living in Detroit returned home one day and noticed that someone had dumped a chained dog in a neighboring backyard, he frantically began calling around for someone to help. Luckily, Rebel Dogs Detroit took the call and sent a volunteer, Tiffany Perkins, out to investigate. She had no idea what to expect when she first arrived — but as soon as she saw Beaker, her heart just melted.
“Beaker was timid and cowered behind the garage to hide,” Perkins told The Dodo. “He peeked out the side as I started calling for him. As I got closer, his tail started wagging. Then he pushed his weight against us for petting him — and seemed to be visibly relieved. He ‘meeped’ like a muppet, he was so excited, so he got the name Beaker!”
After being chained up and abandoned, Beaker was understandably a little nervous at first, but as soon as he realized Perkins was there to help him, he completely relaxed and was so excited to meet his new best friend.
“When the chain was untethered from the garage, he dropped to the ground for belly rubs and kisses and playful chaos,” Perkins said.
Unfortunately, the chain that Beaker had around him was stuck on his neck, so Perkins quickly rushed him to the vet to get him checked out. While they waited for Beaker’s surgery to remove the chain, Perkins took advantage of the extra time to give Beaker all the love he’d never had before, and the sweet dog appreciated it so much.
“We had lots of bonding time in the car waiting for his surgery for 5+ hours,” Perkins said. “He was napping with his head in my lap after a while.”
Even after everything Beaker had been through, all he wanted was to be loved — and finally, his wish had come true.
Beaker is now healing from his surgery in his foster home and is just the happiest dog anyone has ever met. For Beaker, it doesn’t seem to matter what happened to him in the past. What matters is where he is now and all the new friends he’s made who care about him and are making sure he’s happy and safe.
“He’s learning how to be an indoor dog with unconditional love in his foster home,” Perkins said.
Beaker is currently looking for his forever home and would love a home with another playful, energetic dog who can continue to show him the ropes and become his best buddy. As soon as Beaker laid eyes on his rescuers, he knew he was finally safe, and he’s so excited to find the forever family he deserves.
Chris Impey writes about his specialty in observational cosmology.
This has nothing to do with life, nothing that we are dealing with in our daily affairs, and has nothing to do with our dear dogs. BUT! This is incredibly interesting! Incredibly and beautifully interesting!
The most powerful space telescope ever built will look back in time to the Dark Ages of the universe
I’m an astronomer with a specialty in observational cosmology – I’ve been studying distant galaxies for 30 years. Some of the biggest unanswered questions about the universe relate to its early years just after the Big Bang. When did the first stars and galaxies form? Which came first, and why? I am incredibly excited that astronomers may soon uncover the story of how galaxies started because James Webb was built specifically to answer these very questions.
The ‘Dark Ages’ of the universe
Excellent evidence shows that the universe started with an event called the Big Bang 13.8 billion years ago, which left it in an ultra-hot, ultra-dense state. The universe immediately began expanding after the Big Bang, cooling as it did so. One second after the Big Bang, the universe was a hundred trillion miles across with an average temperature of an incredible 18 billion F (10 billion C). Around 400,000 years after the Big Bang, the universe was 10 million light years across and the temperature had cooled to 5,500 F (3,000 C). If anyone had been there to see it at this point, the universe would have been glowing dull red like a giant heat lamp.
Throughout this time, space was filled with a smooth soup of high energy particles, radiation, hydrogen and helium. There was no structure. As the expanding universe became bigger and colder, the soup thinned out and everything faded to black. This was the start of what astronomers call the Dark Ages of the universe.
The soup of the Dark Ages was not perfectly uniform and due to gravity, tiny areas of gas began to clump together and become more dense. The smooth universe became lumpy and these small clumps of denser gas were seeds for the eventual formation of stars, galaxies and everything else in the universe.
Although there was nothing to see, the Dark Ages were an important phase in the evolution of the universe.
Looking for the first light
The Dark Ages ended when gravity formed the first stars and galaxies that eventually began to emit the first light. Although astronomers don’t know when first light happened, the best guess is that it was several hundred million years after the Big Bang. Astronomers also don’t know whether stars or galaxies formed first.
Current theories based on how gravity forms structure in a universe dominated by dark matter suggest that small objects – like stars and star clusters – likely formed first and then later grew into dwarf galaxies and then larger galaxies like the Milky Way. These first stars in the universe were extreme objects compared to stars of today. They were a million times brighter but they lived very short lives. They burned hot and bright and when they died, they left behind black holes up to a hundred times the Sun’s mass, which might have acted as the seeds for galaxy formation.
Astronomers would love to study this fascinating and important era of the universe, but detecting first light is incredibly challenging. Compared to massive, bright galaxies of today, the first objects were very small and due to the constant expansion of the universe, they’re now tens of billions of light years away from Earth. Also, the earliest stars were surrounded by gas left over from their formation and this gas acted like fog that absorbed most of the light. It took several hundred million years for radiation to blast away the fog. This early light is very faint by the time it gets to Earth.
But this is not the only challenge.
As the universe expands, it continuously stretches the wavelength of light traveling through it. This is called redshift because it shifts light of shorter wavelengths – like blue or white light – to longer wavelengths like red or infrared light. Though not a perfect analogy, it is similar to how when a car drives past you, the pitch of any sounds it is making drops noticeably. Similar to how a pitch of a sound drops if the source is moving away from you, the wavelength of light stretches due to the expansion of the universe.
By the time light emitted by an early star or galaxy 13 billion years ago reaches any telescope on Earth, it has been stretched by a factor of 10 by the expansion of the universe. It arrives as infrared light, meaning it has a wavelength longer than that of red light. To see first light, you have to be looking for infrared light.
Telescope as a time machine
Enter the James Webb Space Telescope.
Telescopes are like time machines. If an object is 10,000 light-years away, that means the light takes 10,000 years to reach Earth. So the further out in space astronomers look, the further back in time we are looking.
James Webb is the most technically difficult mission NASA has ever attempted. But I think the scientific questions it may help answer will be worth every ounce of effort. I and other astronomers are waiting excitedly for the data to start coming back sometime in 2022.
Indeed until a short time ago it was thought that the dog evolved from the grey wolf but recently I read that the dog evolved as its own species.
But the following is a republication of an article on Oregon Wild about wolves returning to the State of Oregon.
Wolves in Oregon
Gray wolves (Canis lupus) were once common in Oregon, occupying most of the state. However, a deliberate effort to eradicate the species was successful by the late 1940s.
In fact, trouble for wolves began almost 100 years earlier, in the years before Oregon became a state. In 1843 the first wolf bounty was established and Oregon’s first legislative session was called in part to address the “problem of marauding wolves.” By 1913, people could collect a $5 state bounty and an Oregon State Game Commission bounty of $20. The last recorded wolf bounty was paid out in 1947.
After an absence of over half a century, wolves began to take their first tentative steps towards recovery. Having dispersed from Idaho, the native species is once again trying to make a home in Oregon. One of the first sightings came in 1999 when a lone wolf was captured near the middle fork of the John Day River, put in a crate and quickly returned to Idaho by government wildlife agents. In 2000, two wolves were found dead – one killed by a car, the other illegally shot.
In 2006, a flurry of sightings led biologists to believe a number of wild wolves were living in Northeast Oregon near the Wallowa Mountains and the Eagle Cap Wilderness. Sadly, a wolf found shot to death near La Grande in May 2007 clearly indicated wolves had arrived in the area.
After that sad chapter, wolves began to establish a fragile foothold in the state. In July 2008 pups were confirmed to a wolf named Sophie by the Oregon Wild wolf pack (and B-300 to government biologists). Those pups represented the first wolves in Oregon in nearly 60 years! A second set of six pups were confirmed and videotaped in November 2009. The following July, a third litter of pups was confirmed.
Unfortunately, the news was tempered with additional poaching and heavy-handed state management. After peaking at 26 confirmed wolves, wolf recovery stalled out in 2011. While some wolves dispersed from the Imnaha Pack, only one pup was confirmed to Oregon’s best-known pack, and two pups were confirmed in one of the state’s other two packs (the Walla Walla and Wenaha). Oregon’s confirmed wolf population fell to 17, and then to 14, when the state killed three more wolves (two on purpose) and poachers killed a fourth.
In 2011, wolves in Eastern Oregon lost their federal protections due to an unprecedented congressional budget rider sponsored by Montana Sen. John Tester. Hours later, Oregon used their new authority to kill two wolves and issue dozens of landowner kill permits at the request of the livestock industry.
Meanwhile, anti-wildlife interests and their political allies pushed over half a dozen bills in Salem aimed at making it easier to kill wolves and undermine wolf recovery. Most of the bills were defeated, but a compensation fund and new predator killing fund were approved.
Wolf hunts in nearby states also threaten the region’s fragile recovery. When wolves were federally delisted the region was home to an estimated population of about 1,700 wolves. Over 1,000 were killed in the first two seasons alone.
The large tracts of pristine and unspoiled Wilderness and roadless areas in Northeast Oregon are vital components in the successful recovery of wolves, and other wildlife too. (Ed: see the photograph below of the wild lands of Oregon.) The reappearance of wolves, wolverines, and other endangered wildlife in Oregon further underscores the importance of protecting those roadless areas that remain on public land.
Anticipating the eventual return of wolves, the state of Oregon completed a Wolf Conservation and Management Plan in 2005 aimed at making rational decisions in the light of day that would lead to wolf recovery. Though state polling put support for wolf recovery at over 70 percent, the plan was weak, allowed the state to kill wolves, and set scientifically indefensible recovery goals.
Even so, the plan was actively opposed by the Oregon Cattlemen’s Association. They argued in their minority report that “wolves are being used as a biological weapon” and that wolves are a non-native species that citizens should have the right to shoot without permits.
Oregon Wild and other conservationists generally – if reluctantly – agreed to honor the compromise embodied in the plan. Most believed lethal control would be an option of last resort and conservation would be a priority.
After the state shot two young wolves in response to the first livestock depredations in over half a century, it was clear the state was willing to address the concerns of the livestock industry by killing wolves.
In 2010, the plan was reviewed and revised. The public process took the better part of a year and demonstrated that support for wolf recovery had grown. Over 90 percent of a staggering 20,000 public comments were in favor of stronger protections for Oregon’s endangered gray wolves. Oregon Wild joined other conservationists and the Oregon public in defending the plan against continued attacks. Though the plan survived relatively intact, most of the approved changes made it easier to kill wolves.
In 2011, a lone wolf from the Imnaha Pack generated international headlines when he became the first in Western Oregon since 1947, and then the first in California in nearly a century. The story of Journey (OR-7) provided a welcome opportunity to step away from the unnecessary controversy manufactured by those opposed to wolf recovery and instead reflect on the positive story of a native species retaking its rightful place on the landscape.
Since 2012, wolf recovery in Oregon has slowly started to get back on track. Although the population has increased over the last several years, in 2015, and with only 78 known adult wolves in the state, the Oregon Department of Fish and Wildlife and its Commission decided to prematurely strip wolves of state Endangered Species Act protections — despite what peer reviewed, independent scientists recommended. Shortly after, lawmakers in Salem passed HB 4040: a bill that statutorily affirmed the delisting of Oregon’s wolves. The passage of HB 4040 essentially blocked the ability of conservation organizations to bring forth a lawsuit challenging the merits of the Commission’s decision.
The latest update to the Wolf Conservation and Management Plan — which was approved by the Commission in June of 2019 — significantly erodes protections for wolves by lowering the threshold for when the state can kill wolves, removing requirements for non lethal conflict deterrence, and opening the door toward public hunting and trapping.
For many, wolves are a symbol of freedom, wilderness, and the American west, and Oregon’s wolf country contains some of the most spectacular landscapes in the world. Science continues to demonstrate the positive impacts of wolves on the landscape and the critical role played by big predators, and interest in their return is fueling tourism in Oregon’s wolf country and elsewhere in the west.
Still, wolves are threatened by a purposeful campaign of misinformation and fear. This webpage shoots down many of the common myths about wolves. A small number of vocal anti-wolf activists, along with industry lobbyists and their political allies, continue to work to undermine already weak protections for wolves and other wildlife.
For a state that prides itself on its green reputation, the extermination of wolves is one of our greatest environmental tragedies. Their return represents an opportunity at redemption.
Most Oregonians value native wildlife and believe wolves have a rightful place on the landscape. We are happy to know the silence of a hike in the Eagle Cap might be broken by the lonely howl of a wolf. If that howl is to remain, it’s critical that those who value wolves and other native wildlife stand up and speak up on their behalf.
Plus there were photographs embedded within the text that I thought would be better appreciated if they were offered separately. Here they are:
Finally a collection of wolf photographs from a link on Oregon Wild that is no longer in use. I downloaded these pictures in 2016!
With a difference in that the guest author is my son, Alex. Recently Alex and his partner, Lisa, went on a trip to the Isle of Mull. But I will let Alex continue in his own words after I have explained a little more about the island. And where better to start than with the opening paragraphs of an article on the Isle of Mull from Wikipedia.
The island’s 2020 population was estimated at 3,000. In the 2011 census, the usual resident population was 2,800. In 2001, it was 2,667. (In the summer, these numbers are augmented by an influx of many tourists.) Much of the year-round population lives in colourful Tobermory, the island’s capital, and, until 1973, its only burgh.
There are two distilleries on the island: the Tobermory distillery (formerly called Ledaig), which is Mull’s only producer of single malt Scotch whisky; and another one located in the vicinity of Tiroran, which produces Whitetail Gin (having opened in 2019, it was the island’s first new distillery in 220 years). The isle is host to numerous sports competitions, notably the annual Highland Games competition, which is held in July. It also has at least four castles, including the towering keep of Moy Castle. A much older stone circle lies beside Lochbuie, on the south coast.
This is now from Alex:
We decided to go to the Isle of Mull after reading about the amazing wildlife it has to offer. It’s famous for its white tailed eagles, which are the largest eagle in the U.K. and fourth largest in the world, with an average wingspan of 7-8ft and a perched height of 1m. After securing a place on a Mullcharters.com eagle photography boat trip, we waited with excitement as the boat left the small harbour at Ulva ferry in force 5 winds and intermittent rain showers, cruising out of the harbour, we where very lucky to spot an Otter swimming along.
On reaching Loch Na Keal, we where told to keep an eye out for an eagle approaching, they apparently recognise the boat from around 1-2 miles away and know that it offers them an opportunity to get some free fish! It wasn’t long before looming out of the distance, a white tailed eagle appeared and started circling the boat, one of the boats crew told us he was going to throw a fish out and exactly where he was throwing it, so we could aim our cameras in that direction, we where treated to the amazing spectacle of an adult white tailed eagle swooping down to collect its fish, which was about 20-30ft away. This enabled us to get some excellent pictures of the eagle picking up its fish on numerous occasions, we saw at least six different birds on the trip and at one point had two pairs of eagles overhead the boat. Even with the challenging conditions, we all managed to get some excellent photos, it’s just a shame we didn’t get any sun to really show the eagles colours off.
To round off these wonderful photographs, here are two of an otter. They are notoriously difficult to photograph.
What a wonderful journey for Alex and Lisa. The camera was a Panasonic Lumix G85 with Leica 100-400 lens.
We live in a rural part of Southern Oregon. The number of deer hit on our roads is appalling. Not infrequently when out cycling I come across a deer that seems uninjured. Often I get off my bike and stroke the animal, or drag it from the centre of the road to the shoulder. But it is dead.
Once recently the deer was still warm. What surprises me is that they are always dead. There never seems to be a deer that has been wounded. Probably just as well as I wouldn’t want to leave the animal.
We feed the deer at home on a daily basis and there is a young stag that has become familiar with me and starts eating the COB (corn, oats and barley mixed together) even before I have finished setting out the six piles of food. They are very dear creatures.
So this article has to be shared with you!
Fall means more deer on the road: 4 ways time of day, month and year raise your risk of crashes
Autumn is here, and that means the risk of hitting deer on rural roads and highways is rising, especially around dusk and during a full moon.
Deer cause over 1 million motor vehicle accidents in the U.S. each year, resulting in more than US$1 billion in property damage, about 200 human deaths and 29,000 serious injuries. Property damage insurance claims average around $2,600 per accident, and the overall average cost, including severe injuries or death, is over $6,000.
Transportation agencies, working with scientists, have been developing ways to predict where deer and other ungulates enter roads so they can post warning signs or install fencing or wildlife passages under or over the roadway. Just as important is knowing when these accidents occur.
The risk of hitting a deer varies by time of day, day of the week, the monthly lunar cycle and seasons of the year.
These accident cycles are partly a function of driver behavior – they are highest when traffic is heavy, drivers are least alert and driving conditions are poorest for spotting animals. They are also affected by deer behavior. Not infrequently, deer-vehicle accidents involve multiple vehicles, as startled drivers swerve to miss a deer and collide with a vehicle in another lane, or they slam on the breaks and are rear-ended by the vehicle behind.
In analyzing thousands of deer-vehicle collisions, we found that these accidents occur most frequently at dusk and dawn, when deer are most active and drivers’ ability to spot them is poorest. Only about 20% of accidents occur during daylight hours. Deer-vehicle accidents are eight times more frequent per hour of dusk than daylight, and four times more frequent at dusk than after nightfall.
During the week, accidents occur most frequently on days that have the most drivers on the road at dawn or dusk, so they are associated with work commuter driving patterns and social factors such as Friday “date night” traffic.
Over the span of a month, the most deer-vehicle accidents occur during the full moon, and at the time of night that the moon is brightest. Deer move greater distances from cover and are more likely to enter roadways when there is more illumination at night. The pattern holds for deer and other ungulates in both North America and Europe.
That high-risk period is also when daylight saving time ends – it happens on Nov. 7, 2021, in the U.S. Shifting the clock one hour back means more commuters are on the road during the high-risk dusk hours. The result is more cars driving at the peak time of day and during the peak time of the year for deer-vehicle accidents.
Overall, given that most U.S. states and more than 70 countries have seasonal “daylight saving” clock shifts, elevated ungulate-vehicle accident rates caused by clock shift may be a widespread problem.
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It’s important to remember that deer-vehicle accidents can occur at any time of day or night, on any day of the year – and that deer can show up in urban areas as well as rural ones.
The insurance company State Farm found that on average, U.S. drivers have a 1 in 116 chance of hitting an animal, with much higher rates in states such as West Virginia, Montana and Pennsylvania. Over the 12 months ending in June 2020, State Farm counted 1.9 million insurance claims for collisions with wildlife nationwide. Around 90% of those involved deer.
Where deer or other ungulates are likely to be present, drivers should always be alert and cautious, especially at dawn, dusk, on bright moonlit nights and during the fall rut.
Nothing else to say but we drivers need to slow down and extra vigilant. Driving safely means always allowing for the unexpected and never following the vehicle in front too close. The minimum safe distance is one vehicle length for every 10 miles per hour in speed!
In this month’s Science magazine, on page 1213, there is a short piece under the heading of In Other Journals.
I share it with you.
Canine Behavior Friends from the start
By Sacha Vignieri.
The closest relative to dogs, “man’s best friend,” is the wolf, a wily predator that generally avoids human interaction. For decades, researchers and dog owners have wondered how the leap to domestication occurred.
The main hypothesis invoked very early selection for wolves that “liked”—or least tolerated—humans, and the connection strengthened from there.
However, there is still some debate about whether the degree to which dogs interact and communicate with humans is a learned trait.
Two recent studies appear to close the book on this learning hypothesis. Bray et al. looked at about 400 puppies and found that at this young age and without much human interaction, they were adept at following human gestures and positively responded to high-pitched “puppy talk.” Further, there was variation in these responses with an association between relatedness and social communication skills, which supports a genetic driver.
Salomons et al. compared dog and wolf puppies and found no difference in general cognitive responses, but much greater responsiveness to human gestures and eye contact, in dog puppies. Importantly, this happened even though the dog pups had received less actual human interaction than did the wolf pups.
These studies confirm that dogs’ interest in communication with humans is an evolved trait unique to their lineage.
Curr. Biol.31, 3132, 3137 (2021).
That is fascinating. Dogs have evolved this trait on their own, so to speak. It further underlines the precious nature of the relationship between dogs and humans.
I wasn’t going to publish a post for today but then yesterday I read this article on The Conversation and wanted to share it with you. In fact it shares much of what I posted on the 1st, The Big Question. Because time and infinity are beautifully connected.
Imagine time running backwards. People would grow younger instead of older and, after a long life of gradual rejuvenation – unlearning everything they know – they would end as a twinkle in their parents’ eyes. That’s time as represented in a novel by science fiction writer Philip K Dick but, surprisingly, time’s direction is also an issue that cosmologists are grappling with.
While we take for granted that time has a given direction, physicists don’t: most natural laws are “time reversible” which means they would work just as well if time was defined as running backwards. So why does time always move forward? And will it always do so?
Does time have a beginning?
Any universal concept of time must ultimately be based on the evolution of the cosmos itself. When you look up at the universe you’re seeing events that happened in the past – it takes light time to reach us. In fact, even the simplest observation can help us understand cosmological time: for example the fact that the night sky is dark. If the universe had an infinite past and was infinite in extent, the night sky would be completely bright – filled with the light from an infinite number of stars in a cosmos that had always existed.
For a long time scientists, including Albert Einstein, thought that the universe was static and infinite. Observations have since shown that it is in fact expanding, and at an accelerating rate. This means that it must have originated from a more compact state that we call the Big Bang, implying that time does have a beginning. In fact, if we look for light that is old enough we can even see the relic radiation from Big Bang – the cosmic microwave background. Realising this was a first step in determining the age of the universe (see below).
But there is a snag, Einstein’s special theory of relativity, shows that time is … relative: the faster you move relative to me, the slower time will pass for you relative to my perception of time. So in our universe of expanding galaxies, spinning stars and swirling planets, experiences of time vary: everything’s past, present and future is relative.
So is there a universal time that we could all agree on?
It turns out that because the universe is on average the same everywhere, and on average looks the same in every direction, there does exist a “cosmic time”. To measure it, all we have to do is measure the properties of the cosmic microwave background. Cosmologists have used this to determine the age of the universe; its cosmic age. It turns out that the universe is 13.799 billion years old.
So we know time most likely started during the Big Bang. But there is one nagging question that remains: what exactly is time?
To unpack this question, we have to look at the basic properties of space and time. In the dimension of space, you can move forwards and backwards; commuters experience this everyday. But time is different, it has a direction, you always move forward, never in reverse. So why is the dimension of time irreversible? This is one of the major unsolved problems in physics.
To explain why time itself is irreversible, we need to find processes in nature that are also irreversible. One of the few such concepts in physics (and life!) is that things tend to become less “tidy” as time passes. We describe this using a physical property called entropy that encodes how ordered something is.
Imagine a box of gas in which all the particles were initially placed in one corner (an ordered state). Over time they would naturally seek to fill the entire box (a disordered state) – and to put the particles back into an ordered state would require energy. This is irreversible. It’s like cracking an egg to make an omelette – once it spreads out and fills the frying pan, it will never go back to being egg-shaped. It’s the same with the universe: as it evolves, the overall entropy increases.
It turns out entropy is a pretty good way to explain time’s arrow. And while it may seem like the universe is becoming more ordered rather than less – going from a wild sea of relatively uniformly spread out hot gas in its early stages to stars, planets, humans and articles about time – it’s nevertheless possible that it is increasing in disorder. That’s because the gravity associated with large masses may be pulling matter into seemingly ordered states – with the increase in disorder that we think must have taken place being somehow hidden away in the gravitational fields. So disorder could be increasing even though we don’t see it.
But given nature’s tendency to prefer disorder, why did the universe start off in such an ordered state in the first place? This is still considered a mystery. Some researchers argue that the Big Bang may not even have been the beginning, there may in fact be “parallel universes” where time runs in different directions.
Will time end?
Time had a beginning but whether it will have an end depends on the nature of the dark energy that is causing it to expand at an accelerating rate. The rate of this expansion may eventually tear the universe apart, forcing it to end in a Big Rip; alternatively dark energy may decay, reversing the Big Bang and ending the Universe in a Big Crunch; or the Universe may simply expand forever.
But would any of these future scenarios end time? Well, according to the strange rules of quantum mechanics, tiny random particles can momentarily pop out of a vacuum – something seen constantly in particle physics experiments. Some have argued that dark energy could cause such “quantum fluctuations” giving rise to a new Big Bang, ending our time line and starting a new one. While this is extremely speculative and highly unlikely, what we do know is that only when we understand dark energy will we know the fate of the universe.
So what is the most likely outcome? Only time will tell.
Let me explain, in part, entropy. Because while I and many others sort of understand it, the principle behind entropy is much more detailed.
It is explained pretty well on WikiPedia, from which I reproduce the first paragraph.
This documentary reveals the unknown true stories of the working rescue dogs who saved lives at Ground Zero during the September 11, 2001 crisis and aftermath. Blind office worker Michael Hingson had to trust his seeing-eye dog Roselle on a treacherous descent of 78 flights of stairs to escape only moments before the towers collapsed. Lt. David Lim was called to duty with his dog Sirius. Genelle Guzman-McMillan was found by recovery dogs after being pinned under the rubble for 27 hours.
Once again, dogs come to the rescue of us humans, both physically and psychologically!
Glittery and graceful, hummingbirds hover and flit in midair as they gather nectar. But it’s not just their athleticism that helps them source food.
New research finds that these tiny birds have a great sense of smell that helps them detect potential danger when they are hunting for nectar.
“In the last 10-15 years, researchers have just now begun to realize the importance of smell in birds in general. For a very long time, it has been known that some birds, such as vultures, have a keen sense of smell and use it to find food,” study co-author Erin Wilson Rankin, an associate entomology professor at the University of California Riverside, tells Treehugger.
“However, the role of olfaction in most birds has only been recently recognized. That may be in part because many birds do not appear to use odor to help them locate food.”
In earlier studies, researchers were unable to show that hummingbirds preferred the smell of flowers that contained nectar. Also, flowers that have been pollinated by birds don’t have strong aromas, like those that have been pollinated by insects. That’s why scientists didn’t believe that birds had the ability to smell odors.
But with this new study, researchers believe otherwise.
For their experiment, Rankin and her colleagues observed more than 100 hummingbirds in the wild and in aviaries. The birds were given the choice between feeders that contained just sugar water, or sugar water with the addition of one of several chemicals with a scent that meant there was an insect present. The feeders otherwise looked exactly the same.
The scents included one deposited on flowers by European honeybees, a chemical produced by Argentine ants, and formic acid, which is released defensively by some formica ants and can injure birds and mammals.
“If a bird has any exposed skin on their legs, formic acid can hurt, and if they get it in their eyes, it isn’t pleasant,” Rankin said in a statement. “It’s also extremely volatile.”
In the experiments, the hummingbirds avoided the feeders with the sugar water that contained the ant-derived chemicals. They didn’t react to the sugar water with the honeybee scent, even though it’s been known to keep other bees from visiting flowers.
To make sure the bees weren’t avoiding the feeders due to a fear of a new smell, the researchers performed an extra test with sugar water and ethyl butyrate, which is a common additive in human food.
“It smells like Juicy Fruit gum, which is not a smell known in nature,” Rankin said. “I did not enjoy it. The birds did not care about it though and didn’t go out of their way to avoid it.”
For hummingbirds, recognizing smells isn’t just about finding a meal. They use their sense of smell much differently than vultures. These birds use the massive olfactory bulb in their brain like an “airborne bloodhound” to detect decaying carcasses.
Instead, hummingbirds use their excellent vision to locate flowers from which they collect nectar.
“Flowers, while specific species may be patchy in distribution, are much more common and numerous than the animal carcasses that vultures rely on. Thus, it is not surprising that vultures use their sense of smell to find carcasses which they then scavenge,” Rankin explains.
Hummingbirds use their ability to smell in a different way.
“Rather than using odors to find flowers, they will avoid flowers or feeders that have specific insect odors on them, such as formic acid or an Argentine ant aggregation pheromone. A hummingbird can use the chemical cues associated with ants to help them determine if the hummingbird should feed from there, or avoid it because it’s already occupied by ants, which can drink the nectar first or potentially harm them,” Rankin says.
“Ants are also very hard for hummingbirds to see until they are up close, so being able to smell them even when they are hidden deep in a flower could be advantageous. By avoiding defensive chemicals, hummingbirds can avoid interactions with ants and focus on feeding at safer food resources.”
As long as I shall live I will never stop being amazed at what science discovers and then reports. And the photograph is gorgeous!
I heard yesterday from Erik Hoffner who is responsible for the Mongabay website that Bill McKibben is stepping up to the mark in wanting to take action regarding climate change.
I very quickly signed up and received the following email:
Many thanks for signing up to be a part—and we hope a big part—of Third Act.
My name is Bill McKibben, and I’m one of the volunteers helping to launch this effort for Americans 60 and older who want to build a fairer and more sustainable nation and planet.
We’re very much in the early days of this, and we need your help—especially if you’re good at the behind-the-scenes tasks like administration, development, and project management. If you’ve got some time to donate right now, write to us at firstname.lastname@example.org.
And we will be back in touch as autumn rolls on, with some early campaigns focused on climate action and on ending voter suppression. As you can tell, we’re making this up as we go along. So it should be interesting, and also a little bumpy!
If you can assemble a sizable group of people, I’ll do my best to join you for a virtual talk to explain more about this idea. (And when the pandemic ends, we’ll try to do it in person!).
And if you can donate some small sum of money to help with the launch, here’s the place.
Thank you. This is our time to make some powerful change—we’ve got the skills, the resources, and the desire. So let’s try.
We’re over 60—the Baby Boomers and the Silent Generation. We have skills, we have resources, we have time—and many of us have kids and grandkids. We also have a history. In our early years we saw remarkable shifts in politics and society; now, in our latter years, we want to see those changes made real and lasting.
We were there for the first Earth Day, and we’ve been glad to see cleaner air and water—but now we know that the climate crisis presents an unparalleled threat. The heat is on and we must act quickly to turn it down.
We watched or participated in the civil rights movement—and now we know that its gains were not enough, and that gaps in wealth have only widened in our lifetimes. We’ve got to repair divisions instead of making them worse. We saw democracy expand—and now we’re seeing it contract, as voter suppression and gerrymandering threaten the core of the American experiment. We know that real change can only come if we all get to participate.
You are the key to this work. Maybe you’ve asked yourself: how can I give back on a scale that matters? The answer is, by working with others to build movements strong enough to matter. That’s why we hope you’ll join us.
Clearly I have signed up and I hope an enormous number of other people will do as well.
Because the time left is not very long and even me at the age of 76 fear for the near future if nothing is done urgently.