Space & Physics
Ask the Experts776 articles archived since 1845
Environment
Why do we have a hurricane season?
Health
Floyd Landis tested positive for increased testosterone on the day of his spectacular stage win at the Tour de France last year, after testing negative on previous days. Can a large dose of the hormone produce such an immediate and profound improvement?
The Sciences
Why does it take so long for our vision to adjust to a darkened theater after we come in from bright sunlight?
The Sciences
Do corked bats allow baseball players to hit farther?
Chemistry
Why do apple slices turn brown after being cut?
Space & Physics
How is everyday onboard exercise on the International Space Station changing the rate of bone loss of its occupants? Can individual differences between humans explain differences in bone loss in microgravity?
The Sciences
After a person's pulse and breathing stop, how much later does all cellular metabolism stop?
The Sciences
What is a "fictitious force"?
The Sciences
