Plants Recognize Their Siblings
Researchers discovered that plants have the ability to recognize their siblings through chemical cues.
Space »
Gallery: Constellation, NASA's Moon Program
Astronauts will launch on a rocket made up of a shuttle-derived solid rocket booster.
Environment »
Bugs: The Forgotten Victims of Climate Change
Insects perform roles that are vital to healthy ecological systems.
Energy »
Designing a Cheaper Fuel Cell
New formula helps increase the efficiency and decrease the cost of the technology.
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