A powerful three-minute video from the BBC.
Just another example of the wonderful abilities of our dogs.
Dogs are animals of integrity. We have much to learn from them.
Category: Culture
A powerful three-minute video from the BBC.
Just another example of the wonderful abilities of our dogs.
A fascinating article about the fossilisation of teeth.
Change is a constant! That’s not my saying but it is still a very good one. There are many, many articles online about the pace of change and I am not going to pick a particular one; you can do that yourself if you are interested.
But I am going to republish an article about the fossilisation of teeth. It was published on January 25th, 2023 and it was an article in The Conversation.
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Tesla Monson, Western Washington University
Fossilized bones help tell the story of what human beings and our predecessors were doing hundreds of thousands of years ago. But how can you learn about important parts of our ancestors’ life cycle – like pregnancy or gestation – that leave no obvious trace in the fossil record?
The large brains, relative to overall body size, that are a defining characteristic of our species make pregnancy and gestation particularly interesting to paleoanthropologists like me. Homo sapiens’ big skulls contribute to our difficult labor and delivery. But the big brains inside are what let our species really take off.
My colleagues and I especially wanted to know how fast our ancestors’ brains grew before birth. Was it comparable to fetal brain growth today? Investigating when prenatal growth and pregnancy became humanlike can help reveal when and how our ancestors’ brains became more like ours than like our ape relatives’.
To investigate the evolution of prenatal growth rates, we focused on the in-utero development of teeth – which do fossilize. By building a mathematical model using the relative lengths of molar teeth, we were able to track evolutionary changes in prenatal growth rates in the fossil record. Based on our model, it looks as if pregnancy and prenatal growth became more humanlike than chimplike almost 1 million years ago.

Pregnancy and gestation are important periods – they guide future growth and development and set the biological course for life.
But human pregnancy, and particularly labor and delivery, cost a lot of energy and are often dangerous. The large fetal brain requires a lot of nutrients during development. The rate of embryonic growth during gestation, also known as the prenatal growth rate, exacts a metabolic and physiological toll on the gestating parent. And the tight fit of the infant’s head and shoulders through the pelvic canal during delivery can lead to death, for both the mother and child.
As a trade-off to those potential downsides, there must be a really good reason to have such large heads. The justification is all the abilities that come along with having a big human brain. The evolution of our large brain contributed to our species’ dominance and is associated with increased use of technology and tools, creation of art and the ability to survive in diverse landscapes, among other advances.
The timing and sequence of events that led to the evolution of our large brains is entangled with the ability to find and process more resources, through the use of tools and cooperative group work, for example.
By investigating changes in prenatal growth, we are also investigating changes in how parents gathered food resources and distributed them to their offspring. These increasing resources would have also helped drive the evolution of an even bigger brain. Understanding more about when prenatal growth and pregnancy became humanlike at the same time reveals information about when and how our brains did too.
Humans have the highest prenatal growth rate of all primates living today, at 0.41 ounces/day (11.58 grams/day). Gorillas, for example, have a much larger adult body size than humans, but their prenatal growth rate is only 0.29 ounces/day (8.16 grams/day). Because more than a quarter of all human brain growth is completed during gestation, the rate of prenatal growth directly relates to how big an adult brain grows. How and when Homo sapiens‘ high prenatal growth rate evolved has been a mystery, until now.
Researchers have spent centuries investigating variation in fossilized skeletal remains. Unfortunately brains – let alone gestation and prenatal growth rate – don’t fossilize.

But my colleagues and I started thinking about how teeth develop very, very early in utero. Your permanent adult teeth started developing long before you were born, when you were just a 20-week-old fetus. Tooth enamel is more than 95% inorganic, and the vast majority of everything we see in the vertebrate fossil record is teeth, or has teeth.
Building off this realization, we decided to investigate the relationship between prenatal growth rate, brain size and the lengths of teeth.
We measured the teeth of 608 recently living primates from skeletal collections all around the world. We compared those measurements to rates of prenatal growth that we calculated from average gestation length and mass at birth for each species. We also looked at endocranial volume – essentially how much space is inside the skull – as a proxy for brain size.
We found that the rate of prenatal growth is significantly correlated with both adult brain size and relative tooth lengths, across apes and monkeys.
Because prenatal growth is so tightly correlated with relative molar lengths, we were able to use this statistical relationship to generate a mathematical equation that predicts prenatal growth rate from teeth alone. With this equation, we can take a few molar teeth from an extinct fossil species and reconstruct exactly how fast their offspring grew during gestation.

Using our new method, we then reconstructed prenatal growth rates for 13 fossil species, building a timeline of changes over the past 6 million years of human and hominid evolution. “Hominid” describes all the species on the human side of the family tree after the split about 6 million to 8 million years ago from the common ancestor we shared with chimpanzees. From our new research, we now know that prenatal growth rates increased throughout hominid evolution, reaching a humanlike rate that exceeds what we see in all other apes less than 1 million years ago.
A fully human prenatal growth rate appeared with the evolution of our species Homo sapiens only around 200,000 years ago. But other hominid species living in the past 200,000 years, such as Neanderthals, also had “human” prenatal growth rates. Which genes were involved in these changes in growth rate remains to be investigated.
Even with only a few teeth and some of the jaw, a trained expert can tell countless things about an extinct individual – what species it was, what kind of diet it ate, whether it competed for mates through fighting, how old it was when it died, whether or not it had any serious health issues and more.
Now, for the first time, we can add to that list knowing what pregnancy and gestation were like for that individual and other members of its species. Teeth can even indirectly hint at the emergence of human consciousness, via evolving brain size.
Interestingly, our model suggests that prenatal growth rates started increasing well before the emergence of our Homo sapiens species. We can hypothesize that having a fast prenatal growth rate was necessary for growing that big brain and evolving human consciousness and cognitive abilities.
These are the sorts of big-picture questions this research lets us start to formulate now – all from just a few teeth.
Tesla Monson, Assistant Professor of Anthropology, Western Washington University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Tesla Monson is the Assistant Professor of Anthropology at Western Washington University.
This may not make the daily headlines but, personally, I think that is a shame. The discovery has all sorts of implications for life, including ancient life, on this planet. And speaking of life let us bear a thought for the carnage that is happening in Turkey at this present time. A BBC headline:
A rescue operation is under way across much of southern Turkey and northern Syria following a huge earthquake that has killed more than 2,300 people
Unsplash with a difference.
These are all photographs of Labradors.
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Gorgeous, though I say it myself.
I missed stating this last week but copyright always exists in the original photographs.
Jess forwards another stirring account of a dog rescuer.
Jess Anderson sent me this video of a Labrador, age 19 no less, being rescued. That is one senior dog!
The video and the supporters who left comments all said how wonderful were their experiences of saving senior dogs.
The video came from the Dodo Foster Diaries and at the time of writing had had nearly 600 viewings.
There is a very good article on PetFinder about the first few days with a senior dog. Go and watch it!
Again, a variety of photographs from Unsplash.
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And the last one for today with no dogs but still a wonderful shot.
More in a week’s time.
A guest post from Penny offers some advice.
Penny Martin has previously written some guest posts for Learning from Dogs and here she is again with today’s post. The subject is not directly about dogs but trying to turn around one’s life; and that is something that most of us have faced up to at some point in their past.
(I think the references to Learning from Dogs are not needed but I’m not Penny!)
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Six Simple Self-Improvement Strategies for Your Health and Career
By Penny Martin,
Published 24th January, 2023.
Are you trying to turn your life around? Focusing on improving your self-care habits, your relationships, and your career prospects can yield change your life for the better. Furthermore, Learning From Dogs can introduce you to all of the benefits of becoming a dog owner! Here’s how to invest in your education, upgrade your resume, explore business ownership, and adopt healthy routines.
Advance Your Education
If you’re looking to move up in your career, you may want to head back to school to earn another degree. It’s okay if you’re not able to commit to attending courses at a physical campus – instead, consider studying through an online degree program. This will allow you to simultaneously work and care for your family. Double-check that any online programs you’re considering are accredited and that you can easily afford the tuition. You can choose a major like marketing, education, information technology, business, healthcare administration, and more.
Update Your Resume
Perhaps you’re hunting for a new job. Make sure to revise and update your resume prior to sending out applications! To make the process easier, just pick out a free resume template from an online library – this free resume may help. Then, you’ll input your work history. Finally, you can spruce up this document with a photo or a color scheme.
Consider Entrepreneurship
What if you’re frustrated with your boss, and you feel like working at a traditional 9-to-5 job is holding you back? If you’ve got a business idea, you can always register for LLC status for limited liability and tax breaks. Remember, if you form an LLC, you’ll have to choose a registered agent who can handle communications regarding your formation documents with law firms, tax agencies, and the government. You can hire a registered agent or service for help in this area.
Health and Fitness
Even as you prioritize your career, it’s still important to take care of your physical and emotional well-being. As you plan out meals each week, The Every Girl recommends cooking with lots of leafy greens and incorporating plant-based protein into your diet. Furthermore, try to block off a few workout sessions per week in your schedule. You might want to sign up for a gym membership.
Pick Up a Good Book
Reading is a great use of your downtime, especially if you’re on a self-improvement journey! Healthline states that reading can reduce your stress levels, prevent cognitive decline, and even alleviate symptoms of depression. Plus, you’ll be able to learn more about topics that you’re interested in! You might want to choose books that cover subjects related to self-help, like nutrition, fitness, meditation, or time management.
If you feel like you don’t have time to read, consider how you could cut down on screen time. Alternatively, you could listen to audiobooks while you commute to work or do chores around the house.
Get a Dog
If you could use another companion, consider getting a dog! Owning a dog can significantly improve your mental health. Canadian Living states that having a dog around actually decreases your blood pressure, boosts your levels of mood-enhancing hormones, and even helps you make friends in your neighborhood – taking your dog for walks helps you connect with other local dog owners!
Self-improvement is a lifelong process. When you take small steps in the right direction, you’ll be able to look back in a year and feel proud of how far you’ve come. With these tips, you can earn another degree, put together an impressive resume, become a pet owner, open your own business, and more!
Are you thinking about getting a dog? Read all about the benefits on Learning from Dogs! Visit the blog today to find out why getting a dog might be right for you.
Photo via Pexels
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Thank you, Penny.
Let me publish again the opening remarks that are on the home page of this blog:
Dogs live in the present – they just are! Dogs make the best of each moment uncluttered by the sorts of complex fears and feelings that we humans have. They don’t judge, they simply take the world around them at face value. Yet they have been part of man’s world for an unimaginable time, at least 30,000 years. That makes the domesticated dog the longest animal companion to man, by far!
Learning from Dogs
I cannot put it better than that!
A fascinating article presents an alternative.
There was a recent item on The Conversation that is being shared with you all today. It is about the role of meditation and mindfulness is keeping one healthy, and I sense this will be a popular article!
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Meditation and mindfulness offer an abundance of health benefits and may be as effective as medication for treating certain conditions
Assistant Professor of Psychiatry and Behavioral Neurosciences, Wayne State University
Published January 12th, 2023
Many people look to diet trends or new exercise regimens – often with questionable benefit – to get a healthier start on the new year. But there is one strategy that’s been shown time and again to boost both mood and health: meditation.
In late 2022, a high-profile study made a splash when it claimed that meditation may work as well as a common drug named Lexapro for the treatment of anxiety. Over the past couple of decades, similar evidence has emerged about mindfulness and meditation’s broad array of health benefits, for purposes ranging from stress and pain reduction to depression treatments to boosting brain health and helping to manage excessive inflammation and long COVID-19.
Despite the mounting body of evidence showing the health benefits of meditation, it can be hard to weigh the science and to know how robust it is.
I am a neuroscientist studying the effects of stress and trauma on brain development in children and adolescents. I also study how mindfulness, meditation and exercise can positively affect brain development and mental health in youth.
I am very excited about how meditation can be used as a tool to provide powerful new insights into the ways the mind and brain work, and to fundamentally change a person’s outlook on life. And as a mental health researcher, I see the promise of meditation as a low- or no-cost, evidence-based tool to improve health that can be relatively easily integrated into daily life.
Meditation requires some training, discipline and practice – which are not always easy to come by. But with some specific tools and strategies, it can be accessible to everyone.
There are many different types of meditation, and mindfulness is one of the most common. Fundamentally, mindfulness is a mental state that, according to Jon Kabat-Zinn a renowned expert in mindfulness-based practices, involves “awareness that arises through paying attention, on purpose, in the present moment, non-judgmentally.”
This means not ruminating about something that happened in the past or worrying about that to-do list. Being focused on the present, or living in the moment, has been shown to have a broad array of benefits, including elevating mood, reducing anxiety, lessening pain and potentially improving cognitive performance.
Mindfulness is a skill that can be practiced and cultivated over time. The goal is that, with repetition, the benefits of practicing mindfulness carry over into everyday life – when you aren’t actively meditating. For example, if you learn that you aren’t defined by an emotion that arises transiently, like anger, then it may be harder to stay angry for long.
The health benefits of meditation and other strategies aimed at stress reduction are thought to stem from increasing levels of overall mindfulness through practice. Elements of mindfulness are also present in practices like yoga, martial arts and dance that require focusing attention and discipline.
The vast body of evidence supporting the health benefits of meditation is too expansive to cover exhaustively. But the studies I reference below represent some of the top tier, or the highest-quality and most rigorous summaries of scientific data on the topic to date. Many of these include systematic reviews and meta-analyses, which synthesize many studies on a given topic.
Mindfulness-based programs have been shown to significantly reduce stress in a variety of populations, ranging from caregivers of people living with dementia to children during the COVID-19 pandemic.
Meta-analyses published during the pandemic show that mindfulness programs are effective for reducing symptoms of post-traumatic stress disorder, obsessive-compulsive disorder, attention-deficit/hyperactivity disorder and depression – including the particularly vulnerable time during pregnancy and the postnatal period.
Mindfulness-based programs also show promise as a treatment option for anxiety disorders, which are the most common mental disorders, affecting an estimated 301 million people globally. While effective treatments for anxiety exist, many patients do not have access to them because they lack insurance coverage or transportation to providers, for instance, or they may experience only limited relief.
It’s important to note, however, that for those affected by mental or substance use disorders, mindfulness-based approaches should not replace first-line treatments like medicine and psychotherapy such as cognitive behavioral therapy. Mindfulness strategies should be seen as a supplement to these evidence-based treatments and a complement to healthy lifestyle interventions like physical activity and healthy eating.
Studies show that regular meditators experience better attention control and improved control of heart rate, breathing and autonomic nervous system functioning, which regulates involuntary responses in the body, such as blood pressure. Research also shows that people who meditate have lower levels of cortisol – a hormone involved in the stress response – than those who don’t.
A recent systematic review of neuroimaging studies showed that focused attention meditation is associated with functional changes in several brain regions involved in cognitive control and emotion-related processing. The review also found that more experienced meditators had stronger activation of the brain regions involved in those cognitive and emotional processes, suggesting that the brain benefits improve with more practice.
A regular meditation practice may also stave off age-related thinning of the cerebral cortex, which may help to protect against age-related disease and cognitive impairment.
This research does have limits. These include a lack of a consistent definition for the types of programs used, and a lack of rigorously controlled studies. In gold-standard randomized controlled trials with medications, study participants don’t know whether they are getting the active drug or a placebo.
In contrast, in trials of mindfulness-based interventions, participants know what condition they are assigned to and are not “blinded,” so they may expect that some of the health benefits may happen to them. This creates a sense of expectancy, which can be a confounding variable in studies. Many meditation studies also don’t frequently include a control group, which is needed to assess how it compares with other treatments.
Compared with medications, mindfulness-based programs may be more easily accessible and have fewer negative side effects. However, medication and psychotherapy – particularly cognitive behavioral therapy – work well for many, and a combination approach may be best. Mindfulness-based interventions are also cost-effective and have better health outcomes than usual care, particularly among high-risk patient populations – so there are economic benefits as well.
Researchers are studying ways to deliver mindfulness tools on a computer or smartphone app, or with virtual reality, which may be more effective than conventional in-person meditation training.
Importantly, mindfulness is not just for those with physical or mental health diagnoses. Anyone can use these strategies to reduce the risk of disease and to take advantage of the health benefits in everyday life, such as improved sleep and cognitive performance, elevated mood and lowered stress and anxiety.
Many recreation centers, fitness studios and even universities offer in-person meditation classes. For those looking to see if meditation can help with the treatment of a physical or mental condition, there are over 600 clinical trialscurrently recruiting participants for various conditions, such as pain, cancer and depression.
If you want to try meditation from the comfort of your home, there are many free online videos on how to practice, including meditations for sleep, stress reduction, mindful eating and more. Several apps, such as Headspace, appear promising, with randomized controlled trials showing benefits for users.
The hardest part is, of course, getting started. However, if you set an alarm to practice every day, it will become a habit and may even translate into everyday life – which is the ultimate goal. For some, this may take some time and practice, and for others, this may start to happen pretty quickly. Even a single five-minute session can have positive health effects.
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This is a comprehensive article on a most important topic.
For whatever is happening in our world it is getting busier especially for those that are a great deal younger than me.
Yet more dog photographs from Unsplash.
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There you are, another set of adorable photographs of dogs, and that last photo showing how special is the bond between dog and human.
More in a week’s time!
A story that was widely reported.
I was short on time yesterday so no pre-amble.
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The dog separated from its owner on Christmas Eve.
By Teddy Grant, December 27, 2022.
A dog that was stranded near a frozen waterfall in Utah on Christmas Eve was saved by search and rescue officials and reunited with her owner.
According to the Weber County Sheriff’s Office Search and Rescue, a local man was hiking near Waterfall Canyon on Saturday when he became separated from his dog Nala.
The unidentified hiker couldn’t find Nala by nightfall and resumed his search the morning of Christmas Day, the sheriff’s office wrote on its Facebook page.
The hiker’s family members contacted authorities around 1:00 p.m., local time, saying he wasn’t responding to their calls or text messages, officials said.
Nala’s owner answered one of the phone calls once he regained cellphone service and was able to let people know that Nala was around the waterfall, but couldn’t reach her because of the steepness and the icy condition of the terrain, according to Weber County Sheriff’s Office Search and Rescue.
A grab from video posted by Weber County Sheriff’s Office Search and Rescue shows the dog Nala at Waterfall Canyon in Ogden, Utah, Dec. 25, 2022.
Weber County Sheriff’s Office Search and Rescue
The search and rescue team responded to the call and were able to save a skittish Nala after a little coaxing, officials said.
“Nala was cold with a few minor injuries, but was able to hike down with the rescuers,” officials wrote. “She is one tough puppy! Once reaching the trailhead parking lot, both human and canine couldn’t have been happier to be reunited.”
According to Waterfall Canyon it is a “moderately challenging,” 2.4-mile trail near Ogden, Utah, according to AllTrails. Ogden is around 38 miles north of Salt Lake City.
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I’m sure you read that the human and the dog were very grateful to be reunited.
A fascinating article read recently!
Being born in London and therefore British by birth I have no idea where the American States get their names from. That is why I read with great interest a recent article on the Word Genius blog that explained it all. I wanted to share it with you.
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Every state in America has its own unique culture, flavor, and quirks – including their names. State pride is alive and well from Alabama to Wyoming, but do you know the story of how your state got its name?
While the name etymology for some states is a bit muddled, in general, a good number are derived from Native American tribes and languages, such as Algonquin, Sioux, and Iroquois. Others are nods to the origins of the European settlers who claimed patches of America for their own.
Here’s a guide to where all 50 state names came from – and what they mean!
Alabama comes from the Choctaw word albah amo meaning thicket-clearers or plant cutters.
Alaska has ties to the Aleuts and the Russians, with the words alaxsxaq and Аляска, respectively, essentially meaning mainland.
Arizona has ancient roots as the Uto-Aztecan word ali sona-g, which was adopted by the Spaniards as Arizonac, meaning good oaks.
Arkansas is the French pronunciation of an Algonquin name for the Quapaw people, akansa.
California is truly a magical place. So magical in fact, it’s named after a fictional world invented by the author Garci Ordóñez de Montalvo, which Spanish explorers adopted when setting foot on the gold coast.
Colorado is another Spanish-influenced name that essentially means ruddy or ruddish. The name was first applied to the Colorado River for its distinctive color.
Connecticut, much like Colorado, was named for the river running through it. The word possibly stems from the Native American term quinnitukqut, meaning beside or at the long tidal river.
Delaware is also named for a body of water, but that body of water was named for Baron De la Warr, the first English governor of Virginia. The baron’s name is old French for of the war.
Florida taps into its Spanish roots by referencing Pascua florida, meaning flowering Easter, as Spanish explorers found the lush area during the holiday season. There’s also a tie to the Latin word floridus, meaning strikingly beautiful.
Georgia may be known for its southern hospitality, but it’s actually named for King George II from Great Britain.
Hawaii comes from the Polynesian word hawaiki, meaning place of the Gods. It was, however, originally named the Sandwich Islands by James Cook in the late 1700s.
Idaho has notorious roots in the Athabaskan word idaahe, meaning enemy. It was originally applied to part of Colorado before being given to the Gem State.
Illinois has a silent “s” at the end, because it’s of French origin. “Illinois” means “Land of Illini,” giving a nod to the Native American population. “Illini” is the Algonquin word for “man” or “warrior.”
Indiana, as you might expect, stems from the English word Indian. The Latin suffix tacked on the end roughly means “land of the.”
Iowa comes from the Dakota word yuxba, meaning sleepy ones.
Kansas references the Kansa tribe, meaning people of the south wind. Makes sense for tornado alley.
Kentucky is yet another state named for the river running through it, inspired by the Shawnee word for on the meadow.
Louisiana, like Georgia, was named for a regent of the times, specifically, Louis XIV of France.
Maine has uncertain origins. Though it’s worth noting that Maine was also the name of a traditional province in France.
Maryland is a tip of the hat from King Charles I to his wife Henrietta Maria. Some husbands give jewelry; King Charles gave naming rights to an entire state.
Massachusetts comes directly from the Algonquian word Massachusett that references the people living in the area, and means at the large hill.
Michigan is based on the Algonquin word meshi-gami, meaning big lake.
Minnesota, like many other Midwest states, comes from a Native American language. In this case, the Dakota word mnisota means cloudy, milky water.
Mississippi literally means big river in Algonquin Ojibwa, although it’s based on the French variation of the word.
Missouri relates to the Algonquin word wimihsoorita, which translates to people of the big canoes.
Montana has some Spanish flair that links back to the Latin mons, for mountains.
Nebraska stems from the Sioux name for the Platte River, omaha ni braska, meaning flat water.
Nevada comes from the Spanish name for the surrounding Sierra Nevada mountain range, which essentially means snowy mountains, or snowcapped.
New Hampshire is the first of many states and cities named as new outposts of other parts of the world. In this case, Hampshire was a county in Southern England.
New Jersey was coined by Sir George Carteret of the Channel Island of Jersey.
New Mexico is self-explanatory and based on the Spanish Nuevo Mexico. Although, did you know the Aztecs coined the word Mexihco for their ancient capital?
New York was named for the Duke of York and the future King James II.
North and South Carolina are named after a monarch, King Charles II, as Carolus is the proper Latin version of Charles.
North and South Dakota: The word Dakota, of course, describes the Dakota people, but it also means friendly or allies.
Ohio once again comes from a body of water, this time, the Ohio River. The Seneca Native Americans billed it as a good river.
Oklahoma comes from the Choctaw word meaning red people.
Oregon’s origin is less clear, although some scholars point to Algonquin as the source.
Pennsylvania was named after Admiral William Penn, under Charles II. It literally means Penn’s Woods.
Rhode Island has multiple name theories, including the idea that Dutch explorer Adrian Block applied the name Roodt Eylandt, meaning red island, to reflect the red cliffs of the region. Alternatively, it may come from the Greek island of Rhodes.
Tennessee comes from the Cherokee village name ta’nasi, but the meaning is unclear.
Texas is another old Spanish name from the word tejas, meaning friends or allies.
Utah has a short, spunky sound from the Spanish yuta, the name given to indigenous Uto-Aztecan people of the mountains.
Vermont has an elegant French sound and meaning – mont vert means green mountain in French.
Virginia and West Virginia are a Latin nod to sovereign Elizabeth I, the Virgin Queen.
Washington is named for President George Washington. His surname means estate of a man named Wassa in Old English.
Wisconsin may come from the Miami word meskonsing, which was spelled by the French as mescousingand then shifted to ouisconsin.
Wyoming has origins from the Algonquian chwewamink, meaning at the big river flat. There is another theory, however, that states Wyoming comes from a word for mountains and valleys alternating.
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Fascinating!
I wonder how many Americans, i.e. those that were born in this country, know the origins of the names of the States?