Uncategorized
- Health & Medicine
Tracking signs of memory loss
A new imaging agent may allow researchers to detect the plaques characteristic of Alzheimer's disease before symptoms are present, when therapies may be most effective.
- 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.
