The Sand Shark lifts sand onto a conveyor belt, then dumps it through a sifting device. BP says the machine can clean more sand in 5 minutes than 100 people could in three hours.
Debbie Elliott/NPR
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"I still have, on some days, a wonderful relationship with my daughter," Taryn Cregon says of Zoe, 13. "But it goes from this really back-and-forth, loving relationship to almost seeming like that person looks at you like you're enemy No. 1."
Courtesy of Taryn Cregon
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Alex, the famous African gray parrot, learned elements of the English language and shattered the notion that parrots are only capable of mimicking words. Scientists believe human language may have evolved from hand signals and song.
NPR
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Out Of Thin Air: California has set ambitious targets for renewable energy generation for the state. Wind power, including electricity generated by these turbines at the Altamont Pass wind farm east of San Francisco, will play a key role in meeting the state's goals.
Justin Sullivan/Getty Images
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