News
- Physics
The Electron’s Other Charge: Workhorse of electricity shows its weak side
Although electrons are nonnuclear particles, they exert a feeble nuclear force on each other when they snuggle up close, a new experiment shows.
- Earth
It’s a Gas: Trees emit unknown volatile substances
The chemical reactions taking place just above a northern Michigan forest hint that trees there and elsewhere may be emitting highly reactive gaseous substances that scientists haven't yet identified or directly detected.
- Humans
Mouse Mourned: Yoda dies at age 4
An age-defying laboratory mouse known as Yoda died peacefully in his cage in Ann Arbor, Mich., on April 22, at the age of 4 years and 12 days.
