News
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Wasting Deer: Deer saliva and blood can carry prions
Saliva alone can transmit a brain-destroying disease from one animal to another.
- Humans
Nobel prizes recognize things great and small
The 2006 Nobel prizes in the sciences were announced this week, and all five winners are U.S. scientists.
- Earth
Hot, Hotter, Hot: Climate seesawed during dinosaur age
The climate during the time of the dinosaurs varied far more than scientists had previously thought.
- Astronomy
Jet Set: Astronomers identify the makeup of quasar streams
Astronomers have identified the particles in jets emanating from supermassive black holes as electrons and protons, which carry much more energy than some computer models had suggested.
