News
- Health & Medicine
Genetics of human evolution wins 2022 Nobel Prize in physiology or medicine
By figuring out how to extract DNA from ancient bones, Svante Pääbo was able to decipher the genomes of our hominid relatives.
By Tina Hesman Saey and Aimee Cunningham - Animals
‘Wonderful nets’ of blood vessels protect dolphin and whale brains during dives
Complex networks of blood vessels called retia mirabilia that are associated with cetaceans’ brains and spines have long been a mystery.
- Animals
This spider literally flips for its food
The Australian ant-slayer spider’s acrobatics let it feast on insects twice its size, a new study shows,
By Freda Kreier - Climate
Gas flares are leaking five times as much methane than previously thought
The flares burn off methane at 91 percent efficiency. Achieving 98 percent efficiency would be like taking nearly 3 million cars off the road.
- Humans
How to get a crying baby to sleep, according to science
Science has come up with a recipe for lulling a crying baby to sleep: Carry them for five minutes, sit for at least five more and then lay them down.
- Psychology
The pandemic may be stunting young adults’ personality development
People typically become less neurotic and more agreeable with age. The COVID-19 pandemic may have reversed those trends in adults younger than 30.
By Sujata Gupta - Health & Medicine
This robotic pill clears mucus from the gut to deliver meds
A whirling robotic pill wicks mucus from the gut, allowing intravenous drugs such as insulin to be given orally, experiments in pigs suggest.
By Meghan Rosen - Paleontology
Ancient fish fossils highlight the strangeness of our vertebrate ancestors
New fossils are revealing the earliest jawed vertebrates — a group that encompasses 99 percent of all living vertebrates on Earth, including humans.
- Health & Medicine
False teeth could double as hearing aids
Dental implants can conduct sound through jawbone, making them candidates for discreet, high-quality hearing aids, researchers say.
- Planetary Science
NASA’s DART spacecraft just smashed into an asteroid — on purpose
If the first-ever attempt to knock a space rock off course works, it could provide a blueprint to protect Earth from a killer asteroid.
- Anthropology
In Maya society, cacao use was for everyone, not just royals
Previously considered a preserve of Maya elites, cacao was consumed across all social strata, a new study finds.
- Environment
Mangrove forests expand and contract with a lunar cycle
The carbon-sequestering trees grow in a roughly 18-year cycle according to tides influenced by the moon’s orbit, a study in Australia finds.