News
- Life
Teamwork keeps fire ants high and dry
Scientists get a look at the physics that floats a bug's boat.
- Earth
Volcanic ash gets its close-up
Last year’s eruption in Iceland spit out supersharp and potentially harmful particles, nanoscale images show.
- Physics
Salt clouds relieve some Arctic warming
Sea sprays from increasingly open waters exert a cooling effect in the region.
- Psychology
Why some gorillas go unseen
Attention differences help to explain why some people don't notice surprising sights.
- Space
Dry ice, wetter Mars
A previously unknown reservoir of frozen carbon dioxide could periodically vaporize, thickening the atmosphere and allowing liquid water to flow on the Red Planet’s surface.
