Antibacterial Sludge
The antibacterial compound triclocarban is found in organic sludge used as fertilizer.
Science Update
Depression Circuit
People with a history of depression have an overactive brain circuit triggered by dips in serotonin.
Working Memory
Working memory can be improved with five weeks of intensive training.
Earth’s Vital Organs
Earth has vital organs -- critical systems -- that interact in complicated and unexpected ways.
Hearts and Worms
Studying a potassium channel that can trigger heart arrhythmia when blocked.
Earth Simulator
The world's fastest supercomputer is being used to model earth systems.
Ocean Census
The Census of Marine Life has found many new species near the Mid-Atlantic Ridge.
Thinking & Counting
The Piraha tribe of Brazil's simple counting system shows that humans have to estimate numbers above …
Tell-Tale Heart
An implantable device can shock a heart back into its normal rhythm.
Asymmetry & Aggression
People who have asymmetrical features are more aggressive, a connection made in the womb.
Music and I.Q.
Music lessons increase children's I.Q. more than other types of lessons.
Consensus Model
A computer model shows how people reach consensus in society.