News
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AnthropologyGoing Coastal: Sea cave yields ancient signs of modern behavior
A South African cave yields evidence of complex, symbolic behavior among ancient people about 164,000 years ago, the oldest such indications yet.
By Bruce Bower -
Health & MedicineBetter Than Pap: Virus test detects cervical cancer
A new test for human papillomavirus (HPV) detects cervical cancer more reliably than traditional Pap smears.
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Emotional memory
The action of a stress hormone could be why emotionally charged events form especially vivid and durable memories.
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Bacteria thrive by freeloading
Mutant bacteria thrive by freeloading off their hard-working kin, but these slackers revert to working normally if they become too numerous.