News
- Physics
Violent chemistry saps sonobubble energy
In liquids agitated by sound waves, imploding gas bubbles get cooled when atoms recombine, making the bubbles unlikely nuclear reactors.
- Earth
2002’s tornado tally well below average
As of August 1, barely half the usual number of tornadoes had struck the lower 48 states of the United States.
- Animals
Male butterflies are driven to drink
Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.
- Earth
Cigarette smoke can harm kitty, too
Compared with animals living in smokefree homes, cats who lived for some time with a smoker at least doubled their risk of developing the feline analog of the cancer non-Hodgkin's lymphoma.
