News
- Space
Asteroid sample nails meteorite source
Dust returned from space by the Hayabusa mission shows where most space rocks landing on Earth originate.
- Life
Young elephant struck by idea
In a test of insight, a 7-year-old pachyderm finds a way to use toy cube to snag a fruity treat hung just out of reach.
- Climate
El Niños may inflame civil unrest
Weather extremes associated with this climate phenomenon appear to double the risk that conflict will erupt in any given year.
- Health & Medicine
Studies shed light on Ebola’s M.O.
New findings reveal a key step in how the deadly virus infects cells — and identify compounds that may thwart it.
