News
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Fungi slay insects and feed host plants
Researchers are discovering that some plants get their nutrients by robbing nitrogen from the flesh of soil-dwelling insects.
By Linda Wang -
RNA world gets support as prelife scenario
Scientists tinkering with a chemical now vital to life think they've recreated one of the central molecules that gave rise to the chemistry of life.
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AnthropologyEarly Brazilians Unveil African Look
Prehistoric human skulls found in Brazil share some traits with modern Africans, leading a Brazilian scientist to theorize that Africans rather than Asians first arrived in the Americas sometime before 11,000 years ago.
By Bruce Bower -
Do eggs go cuckoo under UV light?
People don't see ultraviolet light but birds do, so studies of egg mimickry may need to stop relying so much on human vision.