Life
- Life
Fossils suggest early primates lived in a once-swampy Arctic
Teeth and jawbones found on Ellesmere Island, Canada, suggest that two early primate species migrated there 52 million years ago.
- Paleontology
A bird with a T. rex head may help reveal how dinosaurs became birds
The 120-million-year-old Cratonavis zhui, newly discovered in China, had a head like a theropod and body like a modern bird.
- Animals
Some young sea spiders can regrow their rear ends
Juvenile sea spiders can regenerate nearly all of their bottom halves — including muscles and the anus — or make do without them.
- Animals
A rare rabbit plays an important ecological role by spreading seeds
Rabbits aren’t thought of as seed dispersers, but the Amami rabbit of Japan has now been recorded munching on a plant’s seeds and pooping them out.
- Animals
Chicken DNA is replacing the genetics of their ancestral jungle fowl
Up to half of modern jungle fowl genes have been inherited from domesticated chickens. That could threaten the wild birds’ long-term survival.
- Microbes
Scientists have found the first known microbes that can eat only viruses
Lab experiments show that Halteria ciliates can chow down solely on viruses. Whether these “virovores” do the same in the wild is unclear.
- Animals
These adorable Australian spike-balls beat the heat with snot bubbles
An echidna’s snot bubbles coat the spiny critter’s nose with moisture, which then evaporates and draws heat from the sinus, cooling the blood.
- Science & Society
Sea life offers a lens for self-exploration in ‘How Far the Light Reaches’
In a collection of essays profiling 10 marine animals, author Sabrina Imbler mixes in stories of their own family, self-discovery, sexuality and healing.
- Health & Medicine
4 key things to know about lung infections caused by fungi
News that three kinds of fungi are more widespread than previously thought prompted reader questions about risk, symptoms and more. We answer them.
- Genetics
50 years ago, scientists sequenced a gene for the first time
Within five decades, scientists went from sequencing a single gene to sequencing the entire human genome.
- Microbes
Meet some of the microbes that give cheeses flavor
Knowing which genus of bacteria is responsible for which flavor could open the door to new types of cheese.
- Animals
Jumping beans’ random strategy always leads to shade — eventually
Jumping beans use randomness to maximize their chances of getting out of the sun’s heat, a new study finds.
