Animals
- Health & Medicine
Mouse hair turns gray when certain stem cells get stuck
Stem cells involved in giving hair its color must keep moving and changing maturity levels to prevent graying, a mouse study suggests.
- Genetics
Here are 5 cool findings from a massive project on 240 mammal genomes
A new series of studies on mammal genetics is helping scientists start to answer questions about evolution, cancer and even what makes us human.
- Health & Medicine
Pets and people bonded during the pandemic. But owners were still stressed and lonely
People grew closer to their pets during the first two years of COVID. But pet ownership didn’t reduce stress or loneliness, survey data show.
- Animals
This elephant peels bananas, but only slightly ripe ones
Pang Pha, an Asian elephant at Zoo Berlin, probably picked up the skill by observing her zookeeper.
- Earth
A massive cavern beneath a West Antarctic glacier is teeming with life
A subglacial river has carved out the cavern beneath the Kamb Ice Stream, a West Antarctic glacier, and may be supplying nutrients necessary for life.
- Life
Comb jellies have a bizarre nervous system unlike any other animal
A 3-D map of the comb jelly “nerve net” reveals fused neurons that lack the space, or synapses, most neurons use to communicate. Did it evolve independently?
- Animals
Northern elephant seals sleep just two hours a day at sea
The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.
- Animals
Urchins are dying off across the Caribbean. Scientists now know why
A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.
- Animals
Octopus, squid and cuttlefish arms evolved to ‘taste’ different compounds
Octopus suckers can taste a variety of greasy, sticky molecules, while squid and cuttlefish suckers detect bitter compounds.
- Animals
Hibernating bears don’t get blood clots. Now scientists know why
People who sit still for hours have an increased risk of blood clots, but hibernating bears and people with long-term immobility don’t. A key clotting protein appears to be the reason why.
- Animals
Freshwater leeches’ taste for snails could help control snail-borne diseases
A freshwater leech species will eat snails, raising the possibility that leeches could be used to control snail-borne diseases that infect humans and livestock.
- Animals
The last leg of the longest butterfly migration has now been identified
After a long journey across the Sahara, painted lady butterflies from Europe set up camp in central Africa to wait out winter and breed.
