News
- Neuroscience
Immune system may remember and adapt to stress
Mice without immune systems who receive stressed immune cells are less anxious and more social, suggesting that the immune system can adapt to stress.
- Paleontology
Snakes crawled among Jurassic dinosaurs, new timeline says
Earliest snake fossils provide evidence snakes evolved their flexible skulls before their long, limbless bodies.
- Chemistry
Sodium and other alkali explosions finally explained
A high-speed camera snaps sharp details of how alkali metals explode in water — a classic, but until now, not fully explained chemical reaction.
- Climate
Warming could nearly double rate of severe La Niña events
Changing climate in the western Pacific could roughly double the frequency of severe La Niña events that cause extreme weather shifts across the globe.
