News
- Science & Society
Curbing pedestrian stops might not reduce police-civilian encounters
In Chicago, traffic stops soared as pedestrian stops fell. Single policy changes therefore don’t tell the whole policing story, researchers say.
- Animals
The right bacterial mix could help frogs take the heat
Wood frog tadpoles that receive a transplant of green frog bacteria can swim in warm waters, revealing another role for microbiomes: heat tolerance.
- Health & Medicine
How a deadly fungus is so good at sticking to skin and other surfaces
One of Candida auris’ scary superpowers is its stick-to-itiveness. Unlike other fungi, the pathogen uses electrical charges to glom onto things.
- Paleontology
New computer analysis hints volcanism killed the dinosaurs, not an asteroid
Scientists take a creative approach to investigating what caused the mass extinction 66 million years ago, but the debate is far from settled.
- Cosmology
New JWST images suggest our understanding of the cosmos is flawed
JWST data don’t resolve a disagreement over how fast the universe is expanding, suggesting we might need strange new physics to fix the tension.
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Antimatter falls like matter, upholding Einstein’s theory of gravity
In a first, scientists dropped antihydrogen atoms and measured how they fell.
- Paleontology
A one-of-a-kind trilobite fossil hints at what and how these creatures ate
The preserved contents suggest the trilobite fed almost continuously and had a gut environment with an alkaline or neutral pH, researchers say.
- Animals
Seen Bigfoot or the Loch Ness Monster? Data suggest the odds are low
Floe Foxon is a data scientist by day. But in his free time, he applies his skills to astronomy, cryptology and sightings of mythical creatures.
- Health & Medicine
Here’s how much coronavirus people infected with COVID-19 may exhale
Just breathing naturally can lead people with COVID-19 to emit dozens of copies of viral RNA a minute and that can persist for eight days, a study finds.
- Animals
These brainless jellyfish use their eyes and bundles of nerves to learn
No brain? No problem for Caribbean box jellyfish. Their seemingly simple nervous systems can learn to avoid obstacles on sight, a study suggests.
- Space
NASA’s OSIRIS-REx has returned bits of the asteroid Bennu to Earth
Asteroid dirt from Bennu could help reveal clues about the material that came together to make the solar system — and possibly where life comes from.
- Health & Medicine
Mouth taping may be a trending sleep hack, but the science behind it is slim
Mouth taping is big on social media, but few studies have evaluated it. Some evidence suggests that sealing the lips shut may help people with sleep apnea.
