We all remember a time when we were paralyzed in the face of a tough decision. For animals in the natural world, making the right choice can mean the difference between life and death.

Stefan Heller's dream is to someday find a cure for deafness.

Computer scientists from Texas A&M University and the University of California, Berkeley, have installed a robot in the Cache River National Wildlife Refuge to help natural scientists from Cornell University's Laboratory of Ornithology and the Arkansas Game and Fish Commission find the rare ivory-billed woodpecker.

In his Jan. 23 State of the Union address, President George Bush outlined his plan to reduce the nation's dependency on foreign oil by requiring the production of 35 billion gallons a year of renewable and alternative fuels by 2017, roughly five times the current target set by Congress of 7.5 billion gallons by 2012.

Imagine a cancer treatment tailored to the cells in a patient’s body, each person receiving a unique treatment program.