‘Parentese’ is Truly a Lingua Franca, Global Study Finds

In an ambitious cross-cultural study, researchers found that adults around the world speak and sing to babies in similar ways.

#archaeology-and-anthropology, #babies-and-infants, #beijing-china, #ecuador, #india, #language-and-languages, #music, #nature-journal, #poland, #psychology-and-psychologists, #tanzania, #voice-and-speech, #your-feed-science

Black Death: A Clue to Where the Plague Originated

By fishing shards of bacterial DNA from the teeth of bodies in a cemetery, researchers found the starting point for the plague that devastated Eurasia, they say.

#archaeology-and-anthropology, #bubonic-plague, #cemeteries, #epidemics, #history-academic-subject, #kyrgyzstan, #nature-journal, #research, #teeth-and-dentistry

Dinosaurs Started Out Hot, Then Some of Them Turned Cold

Scientists directly measured the metabolic rate of extinct animals, which revealed that some giant dinosaurs became coldblooded.

#anatomy-and-physiology, #biology-and-biochemistry, #dinosaurs, #endangered-and-extinct-species, #fossils, #nature-journal, #paleontology, #pterosaurs, #research, #temperature, #your-feed-animals, #your-feed-science

‘Quantum Internet’ Inches Closer With Advance in Data Teleportation

Scientists have improved their ability to send quantum information across distant computers — and have taken another step toward the network of the future.

#computer-security, #computers-and-the-internet, #delft-netherlands, #delft-university-of-technology, #hefei-china, #nature-journal, #physics, #quantum-computing, #quantum-theory, #your-feed-science

20 Percent of Reptiles Risk Extinction, From King Cobras to Geckos

The first global analysis of its kind found that logging and farming are taking away reptile habitat at an unsustainable pace, exacerbating a worldwide decline in biodiversity.

#biodiversity, #crocodiles, #endangered-and-extinct-species, #global-warming, #greenhouse-gas-emissions, #international-union-for-conservation-of-nature, #komodo-dragons-lizards, #nature-journal, #reptiles, #research, #wildlife-trade-and-poaching

Even the Cactus May Not Be Safe From Climate Change

More than half of species could face greater extinction risk by midcentury, a new study found, as rising heat and dryness test the prickly plants’ limits.

#amazon-river-basin, #atlantic-forest-brazil, #biodiversity, #brazil, #cacti-plants, #drought, #endangered-and-extinct-species, #global-warming, #greenhouse-gas-emissions, #nature-journal, #sonoran-desert, #southwestern-states-us, #wildlife-trade-and-poaching

Hubble Space Telescope Spots Oldest and Farthest Star Known

Its light twinkled some 900 million years after the Big Bang, astronomers say.

#hubble-space-telescope, #james-webb-space-telescope, #nature-journal, #research, #space-and-astronomy, #stars-and-galaxies

How Your Sense of Direction Is Shaped by Where You Grew Up

Childhood environments shape people’s navigational skills, researchers reported. The findings one day may lead to better tests for early dementia.

#alzheimers-disease, #children-and-childhood, #computer-and-video-games, #maps, #memory, #nature-journal, #navigation, #rural-areas, #university-college-london, #urban-areas

Brain-Imaging Studies Hampered by Small Data Sets, Study Finds

Researchers have long used imaging technology to try to understand mental-health ailments. But with relatively few participants, such studies may not be producing valid findings.

#brain, #depression-mental, #human-connectome-project, #mental-health-and-disorders, #nature-journal, #your-feed-health, #your-feed-science

Covid May Cause Changes in the Brain, New Study Finds

Brain scans before and after infection showed more loss of gray matter and tissue damage, mostly in areas related to smell, in people who had Covid than in those who did not.

#brain, #coronavirus-2019-ncov, #gwenaelle-douaud, #memory, #nature-journal, #research, #smell-olfaction, #tissue-human, #your-feed-healthcare, #your-feed-science

A Cancer Treatment Makes Leukemia Vanish, but Creates More Mysteries

Two early recipients of CAR T immunotherapy were free of a blood cancer nearly a decade after receiving the therapy.

#cancer, #clinical-trials, #immune-system, #immunotherapy, #leukemia, #nature-journal, #research, #your-feed-health, #your-feed-science

Your Body’s Thirst Messenger Is in an Unexpected Place

Scientists traced how a mouse’s brain gets the signal that it had enough to drink. Something similar may happen in humans.

#brain, #digestive-tract, #liver, #nature-journal, #research, #senses-and-sensation, #vagus-nerve, #water, #your-feed-science

A New Map of the Sun’s Local Bubble

At the edge of a vast region devoid of gas and dust, scientists find an explanation for “how all nearby star formation began.”

#harvard-smithsonian-center-for-astrophysics, #milky-way-galaxy, #nature-journal, #research, #solar-system, #space-and-astronomy, #stars-and-galaxies, #sun, #your-feed-science

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