Animals
- Animals
Why some whales are giants and others are just big
Being big helps whales access more food. But how big a whale can get is influenced by whether it hunts for individual prey or filter-feeds.
- Paleontology
Licelike insects munched on dinosaur feathers around 100 million years ago
Fossils in amber push the origin of feather-feeding insects back over 50 million years, a study finds.
- Oceans
Stealthy robots with microphones could improve maps of ocean noise
Recordings from underwater microphones on stealthy robotic gliders could create a better “soundscape” of noises throughout the ocean, researchers say.
- Science & Society
‘A Polar Affair’ delves into a centurylong cover-up of penguin sex
In a new book, Lloyd Spencer Davis seeks to understand why an Antarctic explorer kept some of his penguin observations a secret.
- Life
An ancient critter may shed light on when mammals’ middle ear evolved
Rare skeletons are helping to pin down the evolution of mammals’ three middle ear bones, known popularly as the hammer, anvil and stirrup.
- Animals
Devil worm genes hold clues for how some animals survive extreme heat
Devil worms have many extra copies of genes tied to heat stress and cell death, which may help the critters survive deep underground, a study finds.
- Life
Caribou migrate farther than any other known land animal
Caribou in Alaska and Canada migrate up to 1,350 kilometers round trip each year, a study reports.
- Animals
Humpback whales in the South Atlantic have recovered from near-extinction
A new count shows the population off Brazil went from about 450 in the 1950s to some 25,000 today.
- Animals
A tooth fossil shows Gigantopithecus’ close ties to modern orangutans
Proteins from the past help clarify how an ancient Asian ape that was larger than a full-grown, modern male gorilla evolved.
- Earth
Plastics outnumber baby fish 7-to-1 in some coastal nurseries
Ocean slicks serve as calm, food-rich nurseries for larval fish. A new study shows that slicks also accumulate plastics, which get eaten by baby fish.
- Animals
Flipping a molecular switch can turn warrior ants into foragers
Toggling one protein soon after hatching makes Florida carpenter ants turn from fighting to hunting for food.
- Animals
Power lines may mess with honeybees’ behavior and ability to learn
Under power lines, honeybees might suffer neurological effects from exposure to electromagnetic fields.
