778 results
- Life
Gene editing creates mice with two biological dads for the first time
Scientists have used CRISPR/Cas9 to make mice with two biological fathers.
- Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
- Animals
In marine mammals’ battle of the sexes, vaginal folds can make the difference
Patricia Brennan and colleagues found certain female ocean mammals have vaginal folds that give them an advantage in mating
- Animals
Unusually loose skin helps hagfish survive shark attacks
Hagfish skin that easily slips and slides can be a lifesaver in crises such as shark attacks.
- Animals
Readers dispute starfishes’ water-swirling abilities
Volcanic eruptions, fast-freezing water, starfish physics and more in reader feedback.
- Materials Science
Shark jelly is strong proton conductor
A jelly found in sharks and skates, which helps them sense electric fields, is a strong proton conductor.
- Animals
Study ranks Greenland shark as longest-lived vertebrate
Radiocarbon in eye lenses suggests mysterious Greenland sharks might live for almost 400 years.
- Archaeology
Peru’s plenty brought ancient human migration to a crawl
Ancient Americans reached Peru 15,000 years ago and stayed put, excavations suggest.
- Ecosystems
A freshwater, saltwater tug-of-war is eating away at the Everglades
Saltwater is winning in the Everglades as sea levels rise and years of redirecting freshwater flow to support agriculture and population growth
- Animals
Sharks follow their noses home
Leopard sharks draw on scents to navigate back to shore, study suggests.
- Animals
Tales of creatures large and small made news this year
Scientists filled in the details of some famous evolutionary tales in 2016 — and discovered a few surprises about creatures large and small.
- Animals
Slow-moving nurse sharks have a metabolism to match
The nurse shark has the slowest metabolism of any shark measured so far, a new study finds.
