08/12/2005

Yahoo! launches Web answering site

Yahoo! launched a search service Thursday that will allow users to ask questions using full sentences and not just keywords.

Nanoparticle impact on plants

Nanoparticles of aluminum oxide, commonly found in everything from sunscreen lotions to environmental catalysts that reduce pollution, can stunt root growth in plants, although preliminary findings suggest extremely high ...

Katrina residue dangers questioned

A conflict has flared concerning dangers posed by toxic substances left in the wake of Hurricane Katrina along the U.S. Gulf Coast.

Famed inventor Heinz Heinemann dies

Heinz Heinemann, who developed the process for converting methanol into gasoline, has died in Washington, D.C., at the age of 92.

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