News
-
Do bacteria swap genes in deadly game?
The genome of a toxic Escherichia coli strain shows that the pathogen had picked up chunks of DNA from unrelated, ineffective bacteria, acquiring unpleasant traits that can send people to the hospital.
- Humans
Science Talent Search announces finalists
Science Service and Intel announced the 40 finalists of the 2001 Intel Science Talent Search this week.
-
People on the go follow the flow
The human visual system flexibly uses available visual information for guidance as people walk toward targets, according to tests conducted in virtual environments that violate the laws of optics.
-
Teenage depression shows family ties
Parents and siblings of severely depressed teenagers suffer from a disproportionately high rate of severe depression, strengthening the theory that a common form of this disorder afflicts young and old alike.
