Uncategorized
- Animals
These bats are the only mammals known to mate more like birds
Male serotine bats have penises too large for penetration. To mate, the animals rub their genitals against each other, somewhat like birds’ cloacal kiss.
- Health & Medicine
A brain-monitoring device may one day take the guesswork out of anesthesia
The automated device pairing brain activity and dosing kept two macaques sedated for 125 minutes, raising hopes of precision anesthesia for people.
- Animals
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.
- Science & Society
Why the Thanksgiving myth persists, according to science
The science of collective memory — and a desire for clear origin stories — may explain the endurance of the Thanksgiving myth despite a messier reality.
- Life
Crabs left the sea not once, but several times, in their evolution
A new study is the most comprehensive analysis yet of the evolution of “true crabs.”
- Chemistry
‘Most Delicious Poison’ explores how toxins rule our world
In his debut book, Noah Whiteman tours through chemistry, evolution and world history to understand toxins and how we’ve come to use them.
- Health & Medicine
50 years ago, scientists suspected that lost sense of smell could be restored
Cells responsible for humans’ sense of smell can regenerate. Now, research spurred on by the pandemic could help answer questions about the process.
- Health & Medicine
Why a popular breast cancer drug may be less effective for some Africans
A genetic variant commonly found in certain African populations appears to impair tamoxifen’s ability to tackle breast cancer.
- Life
Bonobos, like humans, cooperate with unrelated members of other groups
Cooperation between unrelated individuals in different groups without clear and immediate benefit was thought to be uniquely human. Its presence in bonobos may help explain its evolution.
- Health & Medicine
Flint grapples with the mental health fallout from the water disaster
The water crisis started almost a decade ago. Residents of Flint, Mich., are still healing from the disaster — and caring for their own.
- Health & Medicine
The weight-loss drug Wegovy lowered heart attack risk in a large trial
Among 17,000 adults, those on semaglutide were less likely to experience nonfatal heart attacks and strokes or death due to cardiovascular disease.
- Neuroscience
Brain scans give clues to how teens handle pandemic stress
A study that followed hundreds of teenagers during the COVID-19 pandemic may explain why some people succumb to stress while others are more resilient.
