Life
- Animals
Some hamsters are extremely susceptible to COVID-19
Golden Syrian hamsters used in research and popular as pets can become infected with SARS-CoV-2 with very low doses of the virus, a new study suggests.
- Paleontology
Pterosaurs may have had brightly colored feathers on their heads
The fossil skull of a flying reptile hints that feathers originated about 100 million years earlier than scientists thought.
- Animals
Dog breed is a surprisingly poor predictor of individual behavior
Despite the popular conviction that dog breeds are associated with specific traits, breed accounts for only 9 percent of behavioral differences.
- Neuroscience
Mom’s voice holds a special place in kids’ brains. That changes for teens
Unfamiliar voices hold special appeal for teens, a sign of a shift from a focus on mostly family to wider networks, brain scans suggest.
- Plants
Leonardo da Vinci’s rule for how trees branch was close, but wrong
An update to da Vinci’s elegant, 500-year-old “rule of trees” offers a powerful, new way to describe the structure of almost any leafy tree.
- Space
All of the bases in DNA and RNA have now been found in meteorites
Scientists have detected adenine and guanine in meteorites for decades and seen hints of uracil. But cytosine and thymine had remained elusive.
- Animals
Why you should care about ‘The Insect Crisis’
A new book explains why insect populations are dwindling and why that’s a problem.
- Animals
These male spiders catapult away to avoid being cannibalized after sex
In a leap for survival, male Philoponella prominens spiders leverage hydraulic pressure to extend leg joints and fling themselves off hungry females.
- Life
‘The Last Days of the Dinosaurs’ tells a tale of destruction and recovery
A new book takes readers back in time to see how an asteroid strike and the dinosaur extinction shaped life on Earth.
- Paleontology
Glowing spider fossils may exist thanks to tiny algae’s goo
Analyzing 22-million-year-old spider fossils from France revealed that they were covered in a tarry black substance that fluoresces.
- Plants
These flowers lure pollinators to their deaths. There’s a new twist on how
Some jack-in-the-pulpit plants may use sex to lure pollinators. That's confusing for male fungus gnats — and deadly.
- Animals
Most bats don’t echolocate in broad daylight. Here’s an exception
Egyptian fruit bats in Tel Aviv regularly navigate by sound during midday hours to avoid obstacles and forage, despite their excellent vision.
