When birds build nests, they're also building a culture
Nest-building isn’t just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions.
biology
This scientist has a bat tat and earrings. She says there's a lot to learn from bats
Gliselle Marin joins the “Bat-a-thon,” a group of 80-some bat researchers who converge on Belize each year to study these winged mammals.
Researchers have found an amphibian that makes milk for its babies
The snake-like amphibian is native to Brazil. Researchers say the milk in many ways resembles that produced by mammals.
Killer whale moms are still supporting their adult sons — and it's costing them
Orca moms spent precious resources feeding their fully grown adult male offspring. A new study finds that this may limit how many more young they produce.
Scientists vacuum zoo animals' DNA out of the air
Researchers who detected that detecting environmental DNA, or eDNA, in two zoos say the technique could one day be used to look for endangered species in remote locations in the wild.
Living robots made in a lab have found a new way to self-replicate, researchers say
Xenobots, a type of programmable organism made from frog cells, can replicate by spontaneously sweeping up loose stem cells, researchers say. This could have implications for regenerative medicine.
It's Summer, And That Means The Mysterious Return Of Glacier Ice Worms
On mountaintop glaciers of Alaska, Washington and Oregon, billions of tiny black worms are tunneling upward to the barren, icy surface. What lures them, and how do they survive the frozen depths?
Scientists Confirm Nevada Man Was Infected Twice With Coronavirus
It's the first confirmed case of coronavirus reinfection in the U.S. The case underscores that everyone should be social distancing and wearing masks, including COVID-19 survivors.
Scientific Duo Gets Back To Basics To Make Childbirth Safer
Remarkably little is known about the fundamentals of how a woman carries a baby inside her. Two Columbia University researchers aim to change that, to reduce the number of kids born too soon.
Old Animal Specimens May Hold The Key To New Discoveries
A long-lost trove of preserved animal specimens recently turned up at a university in Georgia. Those old squirrels and muskrats could hold the answers to questions we haven't even thought to ask yet.