Megalodon Extinction May Have Been Driven by Hungry Great White Sharks

The largest shark that ever lived may have vanished in part because the comparatively smaller great white had a taste for the same prey.

#endangered-and-extinct-species, #fossils, #isotopes, #nature-communications-journal, #paleontology, #research, #sharks, #teeth-and-dentistry, #your-feed-animals, #your-feed-science, #zinc

Most Active Hurricane Season Was Also Wetter Because of Climate Change

During the record-setting 2020 Atlantic storm season, the most extreme three-hour rainfall rates were 10 percent higher than they would have been without climate change, a new study found.

#global-warming, #greenhouse-gas-emissions, #hurricanes-and-tropical-storms, #nature-communications-journal, #rain, #research, #weather

Ice Volcanoes Reshape Pluto and Hint at a Hidden Ocean

Signs of cryovolcanic activity on the dwarf planet in the recent geological past must be driven by an underground body of water, a study suggests.

#ice, #nature-communications-journal, #pluto-dwarf-planet, #research, #space-and-astronomy, #volcanoes

Brain Implant Allows Fully Paralyzed Patient to Communicate

Letter by painstaking letter, a man in a completely locked-in state was able to formulate words and sentences using only his thoughts.

#als-assn, #amyotrophic-lateral-sclerosis, #brain, #coma, #computers-and-the-internet, #nature-communications-journal, #research, #your-feed-health, #your-feed-science

Human Migration Brought Maize to Maya Region, Study Finds

A new analysis of the DNA of the remains of ancient people in the jungles of Belize reveals that farming technology arrived from the south.

#archaeology-and-anthropology, #belize, #mayans, #nature-communications-journal, #research, #your-feed-science

Fossil of Vampire Squid’s Oldest Ancestor Is Named for Biden

Scientists describe a new species of vampyropod from a 328-million-year-old, 10-armed fossil found in Montana.

#american-museum-of-natural-history, #biden-joseph-r-jr, #fossils, #montana, #museums, #nature-communications-journal, #octopus, #paleontology, #research, #royal-ontario-museum, #squid, #your-feed-science

In New York City Sewage, a Mysterious Coronavirus Signal

For the past year, scientists have been looking for the source of strange coronavirus sequences that have appeared in the city’s wastewater.

#coronavirus-2019-ncov, #genetics-and-heredity, #microbiology, #nature-communications-journal, #new-york-city, #rats, #rodents, #sewers-and-sewage, #your-feed-health, #your-feed-science

Astronomers Find a New Trojan Asteroid Sharing Earth’s Orbit

The Trojan asteroid 2020 XL5, which follows the same path around the sun as our planet, was revealed only after a decade of searching.

#asteroids, #earth, #gravitation-and-gravity, #nature-communications-journal, #planets, #research, #solar-system, #space-and-astronomy

Alarming Levels of Mercury Are Found in Old Growth Amazon Forest

The findings, related to gold mining in Peru, provide new evidence of how people are altering ecosystems in dangerous ways around the world.

#amazon-jungle, #biodiversity, #forests-and-forestry, #gold, #hazardous-and-toxic-substances, #mercury-metal, #mines-and-mining, #nature-communications-journal, #peru, #research

This Ink Is Alive and Made Entirely of Microbes

Scientists have created a bacterial ink that reproduces itself and can be 3D-printed into living architecture.

#3-d-printers, #e-coli-bacteria, #genetic-engineering, #microbiology, #nature-communications-journal, #polymers, #sustainable-living, #synthetic-biology, #your-feed-science

How the Cat Gets Its Stripes: It’s Genetics, Not a Folk Tale

Researchers took a deep dive into embryonic development to tease out the source of the tabby pattern in cats.

#cats, #genetics-and-heredity, #nature-communications-journal, #research, #turing-alan-m, #your-feed-science

A Shifting Climate Gave Humans Many Opportunities to Leave Africa

A new paleoclimate model finds many favorable windows when Homo sapiens might have survived a migration out of Africa.

#archaeology-and-anthropology, #cambridge-university, #manica-andrea, #nature-communications-journal, #paleontology, #your-feed-science

Life and Death on Stromboli Volcano, Lighthouse of the Mediterranean

Stromboli’s volcano is always active, always at the brink of devastating paroxysms. For those who visit the island as tourists or scientists, it is a spectacle like no other.

#italy, #mediterranean-sea, #nature-communications-journal, #research, #science-and-technology, #stromboli, #travel-and-vacations, #volcanoes, #your-feed-photojournalism, #your-feed-science

Could the Pandemic Prompt an ‘Epidemic of Loss’ of Women in the Sciences?

Even before the pandemic, many female scientists felt unsupported in their fields. Now, some are hitting a breaking point.

#metoo-movement, #brigham-and-womens-hospital, #child-care, #colleges-and-universities, #coronavirus-2019-ncov, #discrimination, #graduate-schools-and-students, #maddow-rachel, #nature-communications-journal, #race-and-ethnicity, #research, #rockefeller-university, #sexual-harassment, #social-media, #tenure, #twitter, #women-and-girls, #yale-university, #your-feed-science

The Latest Wrinkle in Crumple Theory

From studies of “geometric frustration,” scientists learn how paper folds under pressure.

#massachusetts-institute-of-technology, #mathematics, #meteors-and-meteorites, #nature-communications-journal, #origami, #physics, #your-feed-science

New Technique Unfolds Centuries of Secrets in Locked Letters

M.I.T. researchers have devised a virtual-reality technique that lets them read old letters that were mailed not in envelopes but in the writing paper itself after being folded into elaborate enclosures.

#archives-and-records, #cryptography-codes-and-ciphers, #europe, #france, #letters, #mary-queen-of-scots, #nature-communications-journal, #research, #your-feed-science

Lethal Chimp Disease Is Linked to Newly Identified Bacteria

Deaths at a Sierra Leone sanctuary that stumped people for 15 years have now been linked to a bacterium that seems to cause similar ailments in humans.

#bacteria, #endangered-and-extinct-species, #monkeys-and-apes, #nature-communications-journal, #research, #sierra-leone, #tacugama-chimpanzee-sanctuary-sierra-leone, #veterinary-medicine, #wildlife-die-offs, #your-feed-science

U.S. Cities Are Vastly Undercounting Emissions, Researchers Find

Inconsistent and flawed data is undercutting efforts to reduce greenhouse gas emissions from American cities, according to a new study.

#global-warming, #greenhouse-gas-emissions, #gurney-kevin-r, #nature-communications-journal, #research, #united-nations-framework-convention-on-climate-change, #urban-areas

When These Sea Anemones Eat, It Goes Straight to Their Arms

They’re the first animals known to turn food into extra limbs.

#arms, #evolution-biology, #fish-and-other-marine-life, #nature-communications-journal, #research, #sea-anemones, #tentacles, #your-feed-animals, #your-feed-science

These Microbes May Have Survived 100 Million Years Beneath the Seafloor

Rescued from their cold, cramped and nutrient-poor homes, the bacteria awoke in the lab and grew.

#bacteria, #extraterrestrial-life, #fish-and-other-marine-life, #geology, #microbiology, #nature-communications-journal, #oceans-and-seas, #pacific-ocean, #research, #your-feed-science

U.S. and Chinese Scientists Trace Evolution of Coronaviruses in Bats

Researchers whose canceled U.S. grant caused an outcry from other scientists urge preventive monitoring of viruses in southwestern China.

#bats, #china, #coronavirus-2019-ncov, #daszak-peter, #ebright-richard-h, #ecohealth-alliance, #laos, #myanmar, #national-institutes-of-health, #nature-communications-journal, #research, #rutgers-the-state-university-of-new-jersey, #sars-severe-acute-respiratory-syndrome, #southeast-asia, #trump-donald-j, #united-states-politics-and-government, #vietnam, #your-feed-science