A Trove of Old Photos Could Reveal the Future of These Arctic Glaciers

The Svalbard Islands, part of Norway, are warming seven times faster than the global average. Aerial pictures from the 1930s are helping researchers understand what that means for the region’s ice.

#arctic-regions, #glaciers, #global-warming, #national-oceanic-and-atmospheric-administration, #nature-journal, #photography, #svalbard-and-jan-mayen-norway

Hedgehogs Are a Source of Drug-Resistant Bacteria, Study Finds

Scientists chart how a battle between fungus and bacteria living on the skin of hedgehogs led to the emergence of a strain of MRSA that can infect cows and humans.

#antibiotics, #bacteria, #drug-resistance-microbial, #hedgehogs, #methicillin-resistant-staphylococcus-aureus, #nature-journal, #research, #your-feed-animals, #your-feed-science

3,000 Years Ago, Britain Got Half Its Genes From France, DNA Study Suggests

An extensive study of ancient DNA suggests that a wave of newcomers — and perhaps the first Celtic languages — crossed the English Channel three millenniums ago.

#archaeology-and-anthropology, #bronze-age, #dairy-products, #dna-deoxyribonucleic-acid, #england, #france, #genetics-and-heredity, #immigration-and-emigration, #kent-england, #language-and-languages, #nature-journal, #reich-david-e-1974, #your-feed-science

Can an Athlete’s Blood Enhance Brainpower?

Scientists who injected idle mice with blood from athletic mice found improvements in learning and memory. The findings could have implications for Alzheimer’s research and beyond.

#alzheimers-disease, #animal-cognition, #brain, #elderly, #exercise, #longevity, #memory, #mice, #nature-journal, #proteins, #research, #stanford-university, #tests-medical, #veterans, #veterans-affairs-department, #your-feed-science

A Penny for Your Squats? A Tiny Monetary Award Motivated Hundreds to Exercise.

Among 52 incentives to exercise, giving people a 9-cent award if they returned to the gym after missing a workout helped the most.

#content-type-service, #exercise, #health-clubs, #nature-journal, #research

Prints Long Thought to Be Bear Tracks May Have Been Made by Human Ancestor

New research published in the journal Nature suggests that the prints, discovered in Tanzania in 1976, were left by an unidentified hominin, or early human ancestor, more than 3.6 million years ago.

#archaeology-and-anthropology, #australopithecines, #evolution-biology, #nature-journal, #paleontology, #research

This Dinosaur Found in Chile Had a Battle Ax for a Tail

While ankylosaurs are already known for their armor and club tails, this specimen from South America had a unique way of fighting predators.

#chile, #dinosaurs, #fossils, #nature-journal, #paleontology, #research, #tail, #your-feed-animals, #your-feed-science

The DNA of Roma People Has Long Been Misused, Scientists Reveal

An op-ed in Nature calls for higher ethical standards in the usage and analysis of genetic information from the Romani, a marginalized group in Europe.

#bulgaria, #dna-deoxyribonucleic-acid, #forensic-science, #genetics-and-heredity, #hungary, #india, #nature-journal, #romani-people, #your-feed-science

Vikings Were in the Americas Exactly 1,000 Years Ago

By studying tree rings and using a dash of astrophysics, researchers have pinned down a precise year that settlers from Europe were on land that would come to be known as Newfoundland.

#archaeology-and-anthropology, #canada, #carbon-dating, #nature-journal, #newfoundland-canada, #research, #space-and-astronomy, #vikings, #wood-and-wood-products, #your-feed-science

Astronomers Found a Planet That Survived Its Star’s Death

The Jupiter-size planet orbits a type of star called a white dwarf, and hints at what our solar system could be like when the sun burns out.

#nature-journal, #planets, #research, #space-and-astronomy, #stars-and-galaxies

How Maori Arrival in New Zealand Was Frozen in Antarctic Ice

Ice cores drilled from the southern continent preserved a signal of the peopling of islands thousands of miles away.

#antarctic-regions, #ice, #maori, #nature-journal, #new-zealand, #research, #wildfires, #your-feed-science

Covid-19 Delta Variant Widens Gulf Between Vaccinated and Unvaccinated

Data from overseas, particularly Britain, suggest the spread of the virus will set vaccinated and unvaccinated communities on very different paths.

#astrazeneca-plc, #australia, #coronavirus-2019-ncov, #deaths-fatalities, #disease-rates, #england, #europe, #great-britain, #immune-system, #india, #infections, #israel, #nature-journal, #oregon, #pfizer-inc, #scotland, #seasons-and-months, #south-africa, #south-america, #southern-states-us, #states-us, #united-states, #vaccination-and-immunization, #western-states-us, #your-feed-science, #youth

Three Studies, One Result: Vaccines Point the Way Out of the Pandemic

New scientific research underscores the effectiveness of vaccines and their versatility in the fight against the coronavirus.

#antibodies, #astrazeneca-plc, #biontech-se, #clinical-trials, #coronavirus-2019-ncov, #disease-rates, #immune-system, #johnsonjohnson, #moderna-inc, #nature-journal, #pfizer-inc, #research, #united-states, #vaccination-and-immunization, #your-feed-science

Pfizer and Moderna Vaccines Likely to Produce Lasting Immunity, Study Finds

Immune cells are still organizing to fight the coronavirus months after inoculation, scientists reported.

#antibodies, #biontech-se, #coronavirus-2019-ncov, #immune-system, #lymph-nodes-and-lymphatic-system, #moderna-inc, #nature-journal, #pfizer-inc, #vaccination-and-immunization, #your-feed-science

Against Expectations, Southwestern Summers Are Getting Even Drier

The finding by researchers runs counter to a basic tenet of climate change — that warming increases humidity because hotter air holds more moisture. It’s also bad news for fire seasons.

#drought, #global-warming, #nature-journal, #research, #southwestern-states-us, #summer-season, #weather, #wildfires

Immunity to the Coronavirus May Persist for Years, Scientists Find

Important immune cells survive in the bone marrow of people who were infected with the virus or were inoculated against it, new research suggests.

#antibodies, #bone-marrow, #coronavirus-2019-ncov, #immune-system, #moderna-inc, #nature-journal, #vaccination-and-immunization, #your-feed-science

Scientists Drove Mice to Bond by Zapping Their Brains With Light

The study, a tour de force in bioengineering, comes after two decades of research on brain-to-brain synchrony in people.

#animal-behavior, #animals, #anxiety-and-stress, #brain, #cell-journal, #light-emitting-diodes, #nature-journal, #nature-neuroscience-journal, #wireless-communications, #your-feed-health, #your-feed-science

Blazes That Refuse to Die: ‘Zombie Fires’

With a changing climate, fires in far northern forests that smolder throughout winter and erupt again in spring could become more common, a new study suggests.

#forests-and-forestry, #global-warming, #nature-journal, #wildfires

The Earliest Human Burial in Africa

A child laid to rest 78,000 years ago yields clues to early human burials in East Africa.

#africa, #archaeology-and-anthropology, #funerals-and-memorials, #kenya, #nature-journal, #research, #your-feed-science

Long Covid Patients Face Lingering, Worrisome Risks, Study Finds

Patients who were not sick enough to be hospitalized still had a significantly greater risk of dying within six months than people who were not infected.

#chronic-condition-health, #coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #nature-journal, #research, #veterans, #veterans-administration, #your-feed-healthcare

Why That Salmon on Your Plate Might Have Been a Vegetarian

Pescatarians take note: Farmed fish are eating more veggies and less wild fish, according to new research. That’s good news for nature.

#biodiversity, #clams, #fish-and-other-marine-life, #fish-farming, #food, #nature-journal, #oysters, #research, #salmon, #trout

That Salmon on Your Plate Might Have Been a Vegetarian

Pescatarians take note: Farmed fish are eating more veggies and less wild fish, according to new research. That’s good news for nature.

#biodiversity, #clams, #fish-and-other-marine-life, #fish-farming, #food, #nature-journal, #oysters, #research, #salmon, #trout

Looking for Climate Solutions? Protect More Ocean, Researchers Find.

Among the surprising findings in a new paper on marine ecosystems: Trawling releases as much planet-warming carbon each year as global aviation.

#biodiversity, #fish-and-other-marine-life, #fishing-commercial, #global-warming, #greenhouse-gas-emissions, #nature-journal, #oceans-and-seas, #research, #sala-enric

Scientists Grow Mice Embryos in a Mechanical Womb

Biologists have long held that a fetus needs a living uterus to develop. Maybe not anymore.

#israel, #mammals, #mice, #nature-journal, #pregnancy-and-childbirth, #tissue-human, #uterus

Global Warming’s Deadly Combination: Heat and Humidity

A new study suggests that large swaths of the tropics will experience dangerous living and working conditions if global warming isn’t limited to 1.5 degrees Celsius.

#global-warming, #nature-journal, #temperature, #weather

In Oregon, Scientists Find a Virus Variant With a Worrying Mutation

In a single sample, geneticists discovered a version of the coronavirus first identified in Britain with a mutation originally reported in South Africa.

#brazil, #clinical-trials, #coronavirus-2019-ncov, #disease-rates, #great-britain, #moderna-inc, #nature-journal, #new-york-city, #oregon, #pfizer-inc, #portland-ore, #research, #vaccination-and-immunization, #your-feed-science

Where Does the Columbian Mammoth Come From?

Genomic data — the oldest ever recovered from a fossil — reveals the origin and evolution of the Columbian mammoth.

#dna-deoxyribonucleic-acid, #fossils, #genetics-and-heredity, #ice-age, #mammoths-animals, #nature-journal, #paleontology, #research, #your-feed-science

Potential for New Coronaviruses May Be Greater Than Known

Researchers calculated the likelihood of different viruses recombining in the same animal to make new disease-causing pathogens.

#animals, #coronavirus-2019-ncov, #nature-journal, #sars-severe-acute-respiratory-syndrome, #university-of-liverpool, #university-of-massachusetts, #your-feed-science

Einsteinium Is Mysterious. Scientists Have Unlocked Some of Its Secrets.

Number 99 on the periodic table does not occur naturally and is difficult to make and store, challenging researchers who want to study it.

#chemistry, #einstein-albert, #laboratories-and-scientific-equipment, #nature-journal, #physics, #radiation, #research

The Real Dire Wolf Ran Into an Evolutionary Dead End

The species’ remarkable genetic isolation from other wolves may have contributed to its demise.

#dna-deoxyribonucleic-acid, #endangered-and-extinct-species, #game-of-thrones-tv-program, #genetics-and-heredity, #nature-journal, #north-america, #paleontology, #research, #wolves, #your-feed-science

Ancient DNA Shows Humans Settled Caribbean in 2 Distinct Waves

Millions of people living on the islands today inherited genes from the people who made them home before Europeans arrived.

#archaeology-and-anthropology, #caribbean-area, #dna-deoxyribonucleic-acid, #genealogy, #genetics-and-heredity, #native-americans, #nature-journal, #research, #your-feed-science

Limiting Indoor Capacity Can Reduce Coronavirus Infections, Study Shows

Research using cellphone data in 10 U.S. cities last spring could help influence officials’ decisions on new restrictions as cases resurge around the country.

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #disease-rates, #nature-journal, #research, #restaurants, #united-states, #urban-areas, #your-feed-healthcare

Warming May Make Hurricanes Weaken More Slowly After Landfall

New research suggests that climate change may be causing storms to retain destructive power for longer after moving inland.

#global-warming, #hurricanes-and-tropical-storms, #nature-journal, #research

Scientific Journals Commit to Diversity but Lack the Data

Several prominent publishers said they did not track the race and ethnicity of the researchers contributing to their platforms.

#academic-and-scientific-journals, #american-assn-for-the-advancement-of-science, #black-people, #cell-journal, #discrimination, #elife-journal, #journal-of-the-american-medical-assn, #lancet-the-journal, #minorities, #nature-journal, #new-york-times, #pnas-journal, #public-library-of-science-plos, #race-and-ethnicity, #royal-society, #science-journal, #science-and-technology, #springer-nature, #your-feed-science

Meet the Diabolical Ironclad Beetle. It’s Almost Uncrushable.

Just about any other living thing would be liquefied at the forces this insect can withstand.

#anatomy-and-physiology, #beetles, #evolution-biology, #nature-journal, #research, #skeletons

Finally, the First Room-Temperature Superconductor

It conveys electricity in the climate of a crisp fall day, but only under pressures comparable to what you’d find closer to Earth’s core.

#chemistry, #electric-light-and-power, #electronics, #hydrogen, #nature-journal, #physics, #research, #superconductors, #your-feed-science

The Vikings Were More Complicated Than You Might Think

One of the biggest surveys ever of ancient DNA offers new evidence of who the Vikings were and where they went raiding and trading.

#archaeology-and-anthropology, #denmark, #england, #estonia, #genetics-and-heredity, #great-britain, #harvard-university, #nature-journal, #race-and-ethnicity, #reich-david-e-1974, #research, #scandinavia, #university-of-copenhagen, #uppsala-university, #vikings, #willerslev-eske, #your-feed-science

Up Is Down in This Fun Physics Experiment

The liquid levitates, and a boat floats along its bottom side.

#chemistry, #nature-journal, #oil-petroleum-and-gasoline, #physics, #research, #water

Why Does the Coronavirus Hit Men Harder? A New Clue

Women produce a more powerful immune response than do men, a new study finds.

#age-chronological, #coronavirus-2019-ncov, #hamburg-germany, #immune-system, #nature-journal, #proteins, #vaccination-and-immunization, #women-and-girls, #yale-university, #your-feed-science

A Woman May Have Been Cured of H.I.V. Without Medical Treatment

In dozens of other patients who suppress the virus without drugs, it seems to have been cornered in parts of the genome where it cannot reproduce, scientists reported.

#acquired-immune-deficiency-syndrome, #bone-marrow, #genetics-and-heredity, #harvard-university, #immune-system, #nature-journal, #transplants, #your-feed-science

Scientists See Signs of Lasting Immunity to Covid-19, Even After Mild Infections

New research indicates that human immune system cells are storing information about the coronavirus so they can fight it off again.

#antibodies, #cell-journal, #coronavirus-2019-ncov, #immune-system, #nature-journal, #your-feed-health, #your-feed-science

Global Warming Could Unlock Carbon From Tropical Soil

Warming soils in the tropics could cause microbes to release carbon dioxide from storage. One scientist called the finding “another example of why we need to worry more.”

#carbon-dioxide, #greenhouse-gas-emissions, #nature-journal, #research, #smithsonian-tropical-research-institute, #soil

Johnson & Johnson’s Covid-19 Vaccine Protects Monkeys, Study Finds

It’s the second study in a week to report promising results in monkeys for a vaccine candidate. But the real test will come with human trials that are now underway.

#clinical-trials, #coronavirus-2019-ncov, #johnsonjohnson, #moderna-inc, #monkeys-and-apes, #nature-journal, #research, #vaccination-and-immunization, #your-feed-science

Study of 17 Million Identifies Crucial Risk Factors for Coronavirus Deaths

The largest study yet confirms that race, ethnicity, age and gender can raise a person’s chances of dying from Covid-19.

#black-people, #coronavirus-2019-ncov, #deaths-fatalities, #elderly, #england, #gender, #medicine-and-health, #minorities, #nature-journal, #race-and-ethnicity, #research, #your-feed-health, #your-feed-science

Some Polynesians Carry Native American DNA, Study Finds

A new genetic study suggests that Polynesians made an epic voyage to South America 800 years ago.

#archaeology-and-anthropology, #canoes-and-canoeing, #genealogy, #genetics-and-heredity, #native-americans, #nature-journal, #research, #your-feed-science

Even the South Pole Is Warming, and Quickly, Scientists Say

Surface air temperatures at the bottom of the world have risen three times faster than the global average since the 1990s.

#antarctic-regions, #environment, #global-warming, #greenhouse-gas-emissions, #nature-journal, #research, #south-pole, #victoria-university-of-wellington

Life Hatched From Soft Eggs, Some a Foot Long, in Dinosaur Era

A football-size egg from Antarctica and baby dinosaurs from Mongolia and Argentina shine new light on ancient reptile reproduction.

#dinosaurs, #eggs, #endangered-and-extinct-species, #fabbri-matteo, #fish-and-other-marine-life, #fossils, #legendre-lucas, #nature-journal, #norell-mark-a, #paleontology, #reptiles, #research, #wiemann-jasmina, #your-feed-science

DNA of ‘Irish Pharaoh’ Sheds Light on Ancient Tomb Builders

In one of Europe’s most impressive Stone Age burial mounds, researchers found evidence of brother-sister incest that suggests the existence of a ruling elite.

#agriculture-and-farming, #archaeology-and-anthropology, #dna-deoxyribonucleic-acid, #genetics-and-heredity, #incest, #ireland, #nature-journal, #reich-david-e-1974, #research, #schulz-paulsson-bettina, #tombs-and-tombstones, #trinity-college-dublin-ireland, #your-feed-science

China Reports Progress in Ultra-Secure Satellite Transmission

Researchers enlisted quantum physics to send a “secret key” for encrypting and decrypting messages between two stations 700 miles apart.

#national-aeronautics-and-space-administration, #nature-journal, #pan-jian-wei, #satellites, #science-and-technology, #space-and-astronomy, #your-feed-science

For a Day, Scientists Pause Science to Confront Racism

Scholars said they would not hold classes or lectures on Wednesday, and leading journals and scientific associations said they would not announce most breakthroughs.

#academic-and-scientific-journals, #arxiv, #black-lives-matter-movement, #black-people, #colleges-and-universities, #discrimination, #george-floyd-protests-2020, #kamai-brittany, #nature-journal, #nord-brian, #physical-review-letters, #physics, #prescod-weinstein-chanda, #race-and-ethnicity, #science-and-technology, #space-and-astronomy, #strikes, #your-feed-science