News
- Archaeology
Lucy’s kind used stone tools to butcher animals
Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.
- Chemistry
Superconductors go fractal
Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.
- Life
Orangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
- Health & Medicine
Spindles foster sound slumber
In “a very clever study,” researchers show that distinctive brain signals help sustain sleep in noisy environments.
- Earth
Forest loss slows in Brazilian Amazon
Between 2004 and 2009, the rate of clearing dropped almost 75 percent.
