News
- Physics
Rock, paper, toxins
A computer model simulates a kind of rock-paper-scissors competition among three species of virtual bacteria.
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Stimulant Inaction: ADHD drug’s mental lift proves surprisingly weak
A widely used drug often calms children with attention-deficit hyperactivity disorder but does little to alleviate the condition's underlying mental deficits.
- Planetary Science
Chilled Out? Ice could lurk beneath Martian equator
An immense volume of ice-rich material may underlie a formation that extends about one-quarter of the way around Mars' equator.
- Earth
Clay That Kills: Ground yields antibacterial agents
A special type of French clay smothers a diverse array of bacteria, including antibiotic-resistant strains and a particularly nasty pathogen that causes skin ulcers.
