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Preview: Brightsurf Science News :: Anthropology News

Anthropology Current Events and Anthropology News from Brightsurf

Anthropology Current Events and Anthropology News Events, Discoveries and Articles from Brightsurf

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These ring-tailed lemurs raise a 'stink' when they flirt with potential mates

Fri, 17 Nov 17 00:12:30 -0800

Stink-flirting among ring-tailed lemurs come at a cost, but may also influence females in choosing a mate.

Professor publishes archaeological research on social inequality

Fri, 17 Nov 17 00:14:40 -0800

The origins of social inequality might lie in the remnants of ancient Eurasia's agricultural societies, according to an article recently published in the major science journal Nature.

'Wooden shoe' rather wear sneakers?

Thu, 16 Nov 17 00:09:30 -0800

Bio-archeologists have discovered a pattern of unusual bone chips in the feet of clog-wearing 19th-Century Dutch farmers -- injuries that offer clues to the damage we may unwittingly be causing to our own feet.

Production timings could stem illegal wildlife laundering

Thu, 16 Nov 17 00:11:00 -0800

Production timings for artificially propagated plants and animals could help flag items offered for sale before they should legally be available.

Telling teeth

Thu, 09 Nov 17 00:12:40 -0800

Researchers at the University of Witwatersrand, Johannesburg have investigated dental development for better estimations of chronological age in African populations.

Risk of cardiac and stroke death increases after discontinuing hormone therapy

Wed, 08 Nov 17 00:11:50 -0800

Hormone therapy (HT) continues to be a hotly debated topic. The benefits of estrogen to the heart, however, appear to be universally accepted. A new study demonstrates that the risk of cardiac and stroke death actually increases in the first year after discontinuation of HT. Study results are published online today in Menopause, the journal of The North American Menopause Society (NAMS).

Bonobos help strangers without being asked

Tue, 07 Nov 17 00:13:00 -0800

The impulse to be kind to strangers was long thought to be unique to humans, but research on bonobos suggests our species is not as exceptional in this regard as we like to think. Famously friendly apes from Africa's Congo Basin, bonobos will go out of their way to help a stranger get food even when there is no immediate payback, researchers show. What's more, they help spontaneously, without having to be asked first.

Science meets archaeology with discovery that dental X-rays reveal Vitamin D deficiency

Tue, 07 Nov 17 00:16:10 -0800

Human teeth hold vital information about Vitamin D deficiency, a serious but often hidden condition that can now be identified by a simple dental X-ray, McMaster anthropologists Lori D'Ortenzio and Megan Brickley have found.

Agricultural productivity drove Euro-American settlement of Utah

Fri, 03 Nov 17 00:04:40 -0700

Utah anthropologists adapted a well-known ecological model, and tested its predictions by combining satellite-derived measures of agricultural suitability with historical census data. They found that the model accurately predicted the patterns in which settlement occurred in Utah, as well as the present-day distribution of people.

UZH anthropologists describe third orangutan species

Thu, 02 Nov 17 00:08:30 -0700

Previously only two species of orangutans were recognized -- the Bornean and the Sumatran orangutan. Now, UZH researchers working with an international team have described a new great ape species, the Tapanuli orangutan. It is the great ape species at greatest risk of extinction, with only around 800 remaining individuals occurring in upland forest regions of North Sumatra.

Genetic history: Searching for the African roots of Noir Marron communities

Thu, 02 Nov 17 00:08:00 -0700

Scientists from the Anthropologie Moléculaire et Imagerie de Synthèse (CNRS/Université Toulouse III - Paul Sabatier/Paris Descartes University) and Ecological Anthropology and Ethnobiology (CNRS/MNHN) research units have shown that members of Maroon communities in South America -- formed over four centuries ago by Africans who escaped slavery -- have remarkably preserved their African genetic heritage (98 percent). In contrast, the same cannot be said for African descendants from Brazil and Colombia.

New study links severe hot flashes with greater risk of obstructive sleep Apnea

Wed, 01 Nov 17 00:10:40 -0700

Many menopausal women complain about poor sleep. Should the problem be blamed simply on menopause or on a more serious underlying sleep disorder such as obstructive sleep apnea (OSA)? What, if any, is the connection between hot flashes, which can also lead to cardiovascular risk, and OSA? New study results being published online today in Menopause, the journal of The North American Menopause Society (NAMS), examine that relationship.

Researchers look for dawn of human information sharing

Wed, 01 Nov 17 00:10:30 -0700

Researchers are challenging a widely accepted notion, first advanced by paleoanthropologist Louis Leakey, that a 2 million-year-old rock represents the dawn of human ancestors sharing information with each other.

FSU researcher: Modern civilization doesn't diminish violence

Fri, 27 Oct 17 00:01:10 -0700

Modern civilization may not have dulled mankind's bloodlust, but living in a large, organized society may increase the likelihood of surviving a war, a Florida State University anthropology professor said.

Does population size affect rates of violence?

Thu, 26 Oct 17 00:12:30 -0700

A new article in Current Anthropology argues small-scale societies are likely to be victims, rather than perpetrators, of violence

Household with mother (-in-law) means fewer kids

Wed, 25 Oct 17 00:11:40 -0700

Women who live with their own mother or their mother in law in the same household have, on average, fewer children than women who only live with their spouse. Martin Fieder and colleagues, evolutionary anthropologists from the University of Vienna, report this on the basis of intercultural data of 2.5 million women worldwide. Until now, evolutionary biologists have assumed the opposite. The study appears in the renowned scientific journal 'Royal Society Open Science'.

6,000-year-old skull could be from the world's earliest known tsunami victim

Wed, 25 Oct 17 00:07:20 -0700

Scientists have discovered what they believe is the skull of the earliest known tsunami victim, a person who lived 6,000 years ago in Papua New Guinea. The skull itself was found almost a hundred years ago, but recent analysis of the sediments found with the skull reveals that they bear distinctive hallmarks of tsunami activity.

Older Neandertal survived with a little help from his friends

Mon, 23 Oct 17 00:06:00 -0700

An older Neandertal from about 50,000 years ago, who had suffered multiple injuries and other degenerations, became deaf and must have relied on the help of others to avoid prey and survive well into his 40s, indicates a new analysis published Oct. 20 in the online journal PLoS ONE.

Study examines the effects of sexual harassment, assault on researchers' careers

Thu, 19 Oct 17 00:10:50 -0700

Investigators who previously reported on sexual harassment and assault during academic fieldwork have now shed light on the effects of such violations on individuals and their career trajectories.

Research sheds new light on early turquoise mining in Southwest

Wed, 18 Oct 17 00:14:30 -0700

Researchers are blending archaeology and geochemistry to get a more complete picture of turquoise's mining and distribution in the pre-Hispanic Southwest.

Report identifies factors associated with harassment, abuse in academic fieldwork

Mon, 16 Oct 17 00:01:50 -0700

College students considering careers in fields like archaeology or geology that require extensive work at remote field sites might want to find out how potential supervisors and advisers conduct themselves in the field. Do they establish clear ground rules for the behavior of everyone on the team? Are the rules consistently enforced? According to a new report, such factors likely influence whether students will witness or experience harassment while working far from home.

Misperception from WHI prevent women from benefitting from hormone therapy

Wed, 11 Oct 17 00:14:10 -0700

More than a decade after the Women's Health Initiative (WHI) clinical trials, lingering misperceptions regarding hormone therapy (HT) still prevent many women from getting relief from their menopause symptoms. A new study from the University of Virginia Health System uncovers knowledge gaps of clinicians treating postmenopausal women and identifies need for additional education. The study results will be presented at the 2017 Annual Meeting of The North American Menopause Society (NAMS) in Philadelphia, Oct. 11-14.

Hormone therapy may benefit migraine sufferers without increased risk of heart disease

Wed, 11 Oct 17 00:14:00 -0700

Migraine headaches are common among women, but due to various health risks can be challenging to treat in the elderly. While hormone therapy is effective in relieving many menopause symptoms, its safe use in women with migraines was unconfirmed. A new study based on data from the Women's Health Initiative (WHI) demonstrates its safety for this population. The study results will be presented during the North American Menopause Society Annual Meeting in Philadelphia, Oct. 11-14.

Getting a good night's sleep and feeling better could be all in your head

Wed, 11 Oct 17 00:13:50 -0700

For the thousands of peri- and postmenopausal women who struggle to sleep and battle depression, help can't come soon enough. Although physical changes during the menopause transition are often the cause of these problems, a new study from the University of Texas suggests that cognitive behavioral therapy might provide the relief these women seek. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14, 2017.

Transdermal estradiol shows promise in treating and preventing perimenopausal depression

Wed, 11 Oct 17 00:13:40 -0700

Did you know you're two-to-four-times more likely to suffer from depression during the menopause transition? A new study suggests that transdermal estradiol could be the key to not only treating existing perimenopausal depression, but also possibly preventing it, and the chances that it will benefit your mood are greater the more stress you're under. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14, 2017.

Women can breathe sigh of relief when using vaginal estrogen to treat menopause symptoms

Wed, 11 Oct 17 00:13:30 -0700

News flashes aren't the only bothersome symptom of the menopause transition. Many postmenopausal women also experience sexual dysfunction and urinary problems that don't require estrogen pills but, rather, can be alleviated by vaginally administered estrogen. A new study shows that, despite previous misperceptions, this treatment option is not only effective, but also safe. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14.

Despite effectiveness women remain skeptical of hormones at menopause -- what's the problem?

Wed, 11 Oct 17 00:13:20 -0700

Women today have more options than ever before for treating their menopause symptoms, although hormone therapy still ranks as the most effective treatment for debilitating symptoms such as hot flashes. A new study demonstrates, however, that women remain skeptical regarding the safety of hormone therapy and prefer less proven options. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14.

Painful sex and bladder problems take toll on women's libido during menopause

Wed, 11 Oct 17 00:12:40 -0700

As women age, sexual activity typically declines. But that doesn't necessarily mean they are no longer interested in sex. The problem for many is physical. A new study demonstrates the impact on sexual activity of postmenopausal women as a result of vulvovaginal atrophy and lower urinary tract problems. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14.

How serious is postmenopausal bleeding?

Wed, 11 Oct 17 00:12:30 -0700

If you're postmenopausal, you shouldn't be bleeding. The very definition of menopause is having gone more than 12 months without a period. So if you're still bleeding, something is wrong. Determining the seriousness of the problem and treating it, is not always evident. A presentation at The North American Menopause Society (NAMS) Annual Meeting in Philadelphia Oct. 11-14, provides new evidence about the reliability and risks of various diagnostic approaches.

Once a lesbian always a lesbian, right? Or not?

Wed, 11 Oct 17 00:12:20 -0700

Are people's sexual attractions likely to change as they age? That's the question at the core of an ongoing debate as to whether or not sexuality remains stable throughout a person's life. An upcoming presentation at The North American Menopause Society (NAMS) Annual Meeting in Philadelphia Oct. 11-14, will review the latest research on the prevalence of same-sex sexuality and sexual fluidity and their implications for healthcare providers.

Traumatic events take toll on the heart

Wed, 11 Oct 17 00:12:10 -0700

Today it seems about everything has been shown to lead to heart disease. Of course smoking is bad for you, as is high blood pressure. There's even mounting evidence that psychosocial factors can cause heart problems. A new study demonstrates how traumatic experiences can affect vascular health and, ultimately, heart disease. The study results will be presented during The North American Menopause Society (NAMS) Annual Meeting in Philadelphia, Oct. 11-14.

World's 'better' countries have higher rates of cancer

Wed, 11 Oct 17 00:02:00 -0700

The world's 'better' countries, with greater access to healthcare, experience much higher rates of cancer incidence than the world's 'worse off' countries, according to new research from the University of Adelaide.

House sparrow decline linked to air pollution and poor diet

Tue, 03 Oct 17 00:00:30 -0700

House sparrows are well-adapted to living in urban areas, so it is surprising their numbers have fallen significantly over the past decades. An investigation by Spanish researchers into this worrying trend, published in open-access journal Frontiers in Ecology and Evolution, finds that sparrows living in urban areas are adversely affected by pollution and poor nutrition. The study also finds the birds suffer more during the breeding season, when resources are needed to produce healthy eggs.

Morbidity and mortality of leprosy in the Middle Ages

Tue, 03 Oct 17 00:05:20 -0700

In the Middle Ages, did contracting leprosy necessarily increase a person's chances of dying? Yes, says a new paper. But it's complicated.

The hormone that could be making your dog aggressive

Wed, 27 Sep 17 00:09:30 -0700

Thousands of people are hospitalized every year for dog bites, and aggressive behavior is a major reason dogs end up in shelters. University of Arizona researcher Evan MacLean studied the biology behind canine aggression, specifically the role of the hormones vasopressin and oxytocin.

Earliest evidence for a native African cultigen discovered in Eastern Sudan

Wed, 27 Sep 17 00:12:50 -0700

Archaeologists examining plant impressions within broken pottery have discovered the earliest evidence for domesticated sorghum in Africa.

Understanding football violence could help the fight against terror

Tue, 26 Sep 17 00:01:30 -0700

Football has long been tarnished by outbreaks of fan violence. Although media headlines often link the behavior to 'hooliganism,' the activity could stem from potentially more positive motivations, such as passionate commitment to the group and the desire to belong. Understanding the root cause of the behavior may therefore help in tackling the violence and channeling it into something more positive, Oxford University scientists suggest.

How aerial thermal imagery is revolutionizing archaeology

Sun, 24 Sep 17 00:08:30 -0700

A Dartmouth-led study has demonstrated how the latest aerial thermal imagery is transforming archaeology due to advancements in technology. Today's thermal cameras, commercial drones and photogrammetric software has introduced a new realm of possibilities for collecting site data-- field survey data across a much larger area can now be obtained in much less time. The findings in Advances in Archaeological Practice serve as a manual on how to use aerial thermography.

Managing negative emotions can help pregnant smokers quit

Tue, 19 Sep 17 00:07:40 -0700

A new study by scientists in the University at Buffalo's Research Institute on Addictions has shown that pregnant smokers are more likely to quit if they can learn to manage negative emotions that lead to smoking.

Huge genetic diversity among Papuan New Guinean peoples revealed

Thu, 14 Sep 17 00:15:10 -0700

The first large-scale genetic study of people in Papua New Guinea has shown that different groups within the country are genetically highly different from each other. Scientists at the Wellcome Trust Sanger Institute and their colleagues reveal that the people there have remained genetically independent from Europe and Asia for most of the last 50,000 years, and that people from the country's isolated highlands region have been completely independent even until the present day.

An officer and a gentlewoman from the Viking army in Birka

Fri, 08 Sep 17 00:11:20 -0700

War was not an activity exclusive to males in the Viking world. A new study conducted by researchers at Stockholm and Uppsala universities shows that women could be found in the higher ranks at the battlefield.

Study documents continued decline in use of hormone therapy by Canadian women

Tue, 22 Aug 17 00:04:20 -0700

Ever since menopause was first discussed publicly, the debate over the use of hormone therapy (HT) has monopolized headlines. Recognized as the most effective option for managing hot flashes and other menopause symptoms, the use of HT has continued to decline, largely as a result of the data released from the Women's Health Initiative (WHI) in 2002. New study results published in Menopause, documents the decline, along with the factors affecting a Canadian woman's likelihood of using HT.

New study reassures women about the safety of vaginal estrogen

Thu, 17 Aug 17 00:03:40 -0700

Although hot flashes are the most commonly reported problem associated with menopause, between 20 percent and 45 percent of women also complain of sexual and urinary issues. There is good news. A recent study documents that vaginal estrogen is not only effective but also safe for the treatment of the genitourinary syndrome of menopause. The study results have been published in Menopause, the journal of The North American Menopause Society (NAMS).

Archaeologists uncover ancient trading network in Vietnam

Thu, 17 Aug 17 00:03:20 -0700

A team of archaeologists from The Australian National University has uncovered a vast trading network which operated in Vietnam from around 4,500 years ago up until around 3,000 years ago.

Maize from El Gigante Rock Shelter shows early transition to staple crop

Mon, 07 Aug 17 00:13:40 -0700

Mid-summer corn on the cob is everywhere, but where did it all come from and how did it get to be the big, sweet, yellow ears we eat today? Some of the answers come from carbon dating ancient maize and other organic material from the El Gigante rock shelter in Honduras, according to a team of anthropologists who show that 4,300 years ago maize was sufficiently domesticated to serve as a staple crop in the Honduran highlands.

New look at archaic DNA rewrites human evolution story

Mon, 07 Aug 17 00:11:20 -0700

A U-led team developed a method for analyzing DNA sequence data to reconstruct early history of archaic human populations, revealing an evolutionary story that contradicts conventional wisdom about modern humans, Neanderthals and Denisovans. They found that Neanderthal-Denisovan lineage nearly went extinct after separating from modern humans. Just 300 generations later, Neanderthals and Denisovans diverged around 744,000 years ago. The global Neanderthal population grew to tens of thousands of individuals living in fragmented, isolated populations.

Researchers find pathologic hallmarks of Alzheimer's disease in aged chimpanzee brains

Mon, 07 Aug 17 00:07:00 -0700

The brains of aged chimpanzees, our closest living relatives, show pathology similar to the human Alzheimer's disease (AD) brain, according to a new, multi-institution research study.

Origin of human genus may have occurred by chance

Fri, 04 Aug 17 00:05:30 -0700

An often cited claim that humans, who are smarter and more technologically advanced than their ancestors, originated in response to climate change is challenged in a new report by a Center for the Advanced Study of Human Paleobiology researcher at George Washington University.

Anthrax: A hidden threat to wildlife in the tropics

Wed, 02 Aug 17 00:10:40 -0700

Researchers illuminate the epidemiology of a cryptic pathogen.

Kent State researchers help find pathologic hallmarks of Alzheimer's in aged chimpanzee brains

Tue, 01 Aug 17 00:07:40 -0700

Humans are considered uniquely susceptible to Alzheimer's disease, potentially due to genetic differences, changes in brain structure and function during evolution, and an increased lifespan. However, a new study published Aug. 1 in Neurobiology of Aging provides the most extensive evidence of Alzheimer's disease brain pathology in a primate species to date. Researchers found that the brains of aged chimpanzees, our closest living relatives, show pathology similar to the human Alzheimer's disease brain.