News
- Life
Fossil pushes back land-animal debut
Creatures first squished mud through their five toes millions of years earlier than previously believed.
- Physics
Plants’ reproductive weaponry unfurled
Botanical tricks include adhesion and bubbles to spread their spores into the environment.
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- Humans
Technique may reveal where it all began
A new strategy overcomes a distance quandary as it tracks the origins of widespread phenomena — from an E. coli outbreak to a fad.
- Humans
Modern era brings death to words
An analysis of books published over two centuries shows how words are born or succumb to shifting social and technological influences.
