News
- Astronomy
A record-breaking star could reveal how the Milky Way’s giant black hole spins
The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how it warps the star’s orbit.
- Health & Medicine
No refrigerator, no problem. This experimental vaccine doesn’t need it.
In early trials, a new vaccine that didn’t require refrigeration still protected against tetanus and diphtheria.
- Animals
Shrews’ noses grow in winter as their brains shrink
Long-clawed shrews’ snouts temporarily grow larger in the winter. This skull reshaping may be an extreme survival strategy in cold conditions.
- Animals
Snail slime does many jobs thanks to calcium
Snails have five distinct types of mucus, each with its own job.
