A natural gas drilling rig just east of downtown Fort Worth, Texas. A new decade-long study finds the region's Barnett Shale formation has sufficient gas reserves to last another 25 years. David Kent/MCT/Landov/Fort Worth Star Telegram hide caption
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Energy Start-Up Banks On Compressed Air Over Batteries To Store Energy
New Hampshire Public Radio
Francis Crick in 2003, the year before his death, at the Salk Institute for Biological Studies in San Diego. Denis Poroy/AP hide caption
Space tourist Dennis Tito celebrates after his landing near the Kazakh town of Arkalyk on May 6, 2001. Alexander Nemenov/AFP/Getty Images hide caption
"Only the hand can tell where it's tender, where the patient winces." â Abraham Verghese James Duncan Davidson/TED hide caption
Andrew McAfee speaking at TEDxBoston. Sheryl Lanzel/TED hide caption
Cynthia Breazeal speaks during TEDWomen. James Duncan Davidson/TED hide caption