Animals
Cuddly koalas had a brutal, blade-toothed close cousin
Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.
By Jake Buehler
Life
We summarize the week's scientific breakthroughs every Thursday.
More Stories in Life
- Life
A new dinosaur doomsday exhibit showcases survival after destruction
The American Museum of Natural History’s “Impact: The End of the Age of the Dinosaurs” examines how an asteroid impact shaped life as we know it.
- Physics
Here’s how Rudolph’s light-up nose might be possible
Simple chemistry could give the reindeer his famously bright snout. But physics would make it look different colors from the ground.
- Animals
Lions have a second roar that no one noticed until now
A machine learning analysis of wild lion audio reveals they have two roar types, not one. This insight might help detect where lions are declining.
- Plants
Moss spores survived in space for 9 months
The moss species Physcomitrium patens is the latest organism to survive an extended stay in the vacuum and radiation of space.
- Animals
A wolf raided a crab trap. Was it tool use or just canine cunning?
Video from the Haíɫzaqv Nation Indigenous community shows a wolf hauling a crab trap ashore. Scientists are split on whether it counts as tool use.
- Animals
This parasitic ant tricks workers into committing matricide
Newly mated parasitic queen ants invade colonies and spray their victims with a chemical irritant that provokes the workers to kill their mother.
- Animals
40,000-year-old woolly mammoth RNA offers a peek into its last moments
Ancient RNA from Yuka, a 40,000-year-old woolly mammoth preserved in permafrost, can offer new biological insights into the Ice Age animal’s life.
- Oceans
Deep-sea mining might feed plankton a diet of junk food
An analysis of mining plumes in the Pacific Ocean reveals they kick up particles sized similarly to the more nutritious tidbits that plankton eat.
- Animals
AI eavesdropped on whale chatter. It may have helped find something new
Some “clicks” made by sperm whales may actually be “clacks,” but marine biologists debate what, if anything, that means.
