Life
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
-
AnimalsSharpshooter threatens Tahiti by inedibility
A North American insect is menacing Tahitian ecosystems by getting itself killed and proving surprisingly toxic to its predators.
By Susan Milius -
AnimalsWary male spiders woo lifelessly
When trying to court a cannibalistic female spider, males of a certain species play dead.
By Susan Milius -
AnimalsHairy crab lounges deep in the Pacific
A newly discovered deep-sea creature has the body of a crab, but with long, fluffy, blonde hair covering its legs.
By Susan Milius -
PlantsReality Botany: Data ease doubts about plant species
Despite the doubts of some botanists, plant species aren't just some arbitrary human classification scheme, says a team of evolutionary biologists.
By Susan Milius -
AnimalsThat’s One Weird Tooth
The narwhal's distinctive spiral tusk has structures that could make it phenomenally sensitive, raising new questions about its functions.
By Susan Milius -
AnimalsWoodpecker video is challenged and defended
The video released last spring as evidence that the ivory-billed woodpecker exists may show a common pileated woodpecker, some critics say.
By Susan Milius -
AnimalsCan You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
By Susan Milius -
PlantsSmall difference factored big in rice domestication
A change in a single letter of a rice plant's genetic code gave it the ability to hold onto grains until harvest.
-
PaleontologyOut of the Shadows
An ongoing flurry of fossil finds is triggering a reevaluation of how early mammals and their close kin eked out an existence during the Age of Dinosaurs.
By Sid Perkins -
EcosystemsLight All Night
New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.
By Ben Harder -
EcosystemsCaviar Caveats
Caviar may become harder to find as a new trade ban goes into effect that's aimed at giving the most prized sturgeon a much-needed break from overfishing for their roe.
By Janet Raloff -
AnimalsCannibal Power: Mormon crickets swarm to eat and not be eaten
What keeps the great swarms of Mormon crickets rolling across the landscape may be a combination of nutritional deficits and the risk of getting cannibalized.
By Susan Milius