2,472 results
- Animals
Cats recognize their own names
A new study suggests that cats can tell their names apart from other spoken words.
- Paleontology
Why South America’s ancient mammals may have lost out to northern counterparts
When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.
- Health & Medicine
Hydroxychloroquine can’t stop COVID-19. It’s time to move on, scientists say
Hydroxychloroquine doesn’t work as antiviral or a treatment for COVID-19, an abundance of scientific data suggest.
- Health & Medicine
New treatments aim to treat COVID-19 early, before it gets serious
Some new drugs that may stop the coronavirus from getting into cells, or from reproducing itself, may treat the illness as soon as it’s diagnosed.
- Health & Medicine
A dog in Hong Kong has a low-level infection of the new coronavirus
There’s currently no evidence that pets can actually get sick from the virus or pass it to people or other animals.
- Quantum Physics
To live up to the hype, quantum computers must repair their error problems
Before quantum computers can reach their potential, scientists will need to master quantum error correction.
- Animals
A year after Australia’s wildfires, extinction threatens hundreds of species
As experts piece together a fuller picture of the scale of damage to wildlife, more than 500 species may need to be listed as endangered.
- Paleontology
Fossils reveal saber-toothed cats may have pierced rivals’ skulls
Two Smilodon fossil skulls from Argentina have puncture holes likely left by the teeth of rival cats.
- Paleontology
Saber-toothed cats were fierce and family-oriented
New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities.
- Life
We’ve lost 3 billion birds since 1970 in North America
Scientists estimated the change in total number of individual birds since 1970. They found profound losses spread among rare and common birds alike.
- Health & Medicine
As the coronavirus outbreak evolves, we answer some key questions
As the new coronavirus spreads, we are updating this FAQ with the latest on the race to understand the virus and stop the growing global health crisis.
- Animals
On a cool night in Malaysia, scientists track mysterious colugos across the treetops
Our reporter tags along for nighttime observations of these elusive gliding mammals.
