News
- Earth
The Salt Flat That Isn’t Flat: World’s largest playa sports ridges, valleys
An innovative field survey of the world's largest salt flat, a New Jersey–size playa high in the Andes, reveals that the barren expanse actually has minuscule, centimeter-scale variations in topography.
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Chimp Champ: Ape aces memory test, outscores people
A young chimp outperforms college students on a test of recalling numbers glimpsed for less than a quarter of a second. With video.
- Health & Medicine
Sickle Save: Skin cells fix anemia in mice
Using a new technique to turn skin cells into stem cells, scientists have corrected sickle cell anemia in mice.
