Molecular chlorine is extremely reactive.
Lack of predators contributes to island residents ability to tame animals.
Scientists discovered they secrete vesicles into the ocean.
Low numbers of lions, wolves, and bears have negative effects on ecosystems.
They change the way carbon is absorbed and released.
The twin whale bodies were probably born prematurely.
Researchers are replicating the eruptions to estimate potential damage.
Panel: Abrupt climate change may be bigger threat than larger glacial-pace global warming.
Scientists were studying images to find out whether a small part of the comet survived encounter with sun.
Over 500 have been destroyed in an effort to cut a particle that enters the lungs.
