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  • Where you find agates, volcanoes—the source of the gas bubbles—are usually not far way.
  • These falls are the record of a series of volcanic eruptions that happened in this area.
  • 340 million years ago, a warm shallow sea covered all of the American Southwest.
  • It would take dramatic transformations to turn volcanic islands into the first continents.
  • David Pogue learns the secrets to running faster.
  • What has UPS built into its trip-route algorithm to cut fuel and reduced carbon emissions?
  • Steffen's plan cut down on boarding time by over 50 percent.
  • Researchers are interested in the eel-like hagfish, which produces a slimey goo.
  • The hagfish protects itself by releasing a mass of slime that chokes the predator.
  • Researchers guide this non-mechanical microrobot through the eye using external magnetics.
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