Companies' reports of how much ozone-forming pollution they spew bear little semblance to reality.
A mutant gene that causes Parkinson's disease may also have a link to Alzheimer's disease.
Marijuana's active ingredient produces effects on rat brains much like those observed for alcohol, cocaine, and heroin.
AZT, the anti-AIDS drug, works against breast cancer in laboratory rats.
By carefully choosing how a message is encoded and decoded, it's possible to approach the theoretical maximum for transmitting information via photons or other quantum particles.
Algae may deter protozoan predators by producing a toxin when eaten.
The first measurements of spin of black holes reveal a link between the rotation and the emission of high-speed jets of debris.
Scientists have finally found genetic mutations that cause obesity in people, though such mutations are probably quite rare.
Man's best friend may go way back
Analyses of canine DNA suggest that dogs may have been domesticated from wolves much earlier than researchers had thought.
Tiny rover set to explore Mars
The Mars Pathfinder is scheduled to parachute onto the Red Planet on July 4 and release a small, six-wheeled rover to explore soil and rock near the spacecraft.
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