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AnthropologyThe gene that came to stay
A gene thought by some scientists to foster a bold, novelty-seeking personality, as well as attention-deficit hyperactivity (ADHD), apparently spread substantially in human populations over roughly the past 40,000 years.
By Bruce Bower -
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EcosystemsTadpole Science Gets Its Legs . . .
The amazingly complex tadpole now shines in ecological studies.
By Susan Milius -
Biological Dark Matter
The discovery that some genes encode RNA strands instead of proteins has surprised biologists.
By John Travis -
Health & MedicineViruses stop antibiotic-resistant bacteria
Bacteriophages, viruses that destroy bacteria, can protect mice from bacteria that are impervious to antibiotics.