News
- Animals
Birds know road speed limits
Crows, house sparrows and other species judge when to flee the asphalt by average traffic rates rather than an oncoming car's speed.
- Psychology
Blood marker may predict suicide
People who killed themselves had higher levels of a gene involved in cell death.
- Health & Medicine
Power of sugar may come from the mind
Only people who believe exertion zaps willpower get a boost from glucose.
- Life
Years or decades later, flu exposure still prompts immunity
New forms of influenza viruses can spur production of antibodies to past pandemics in people who lived through them.
