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Large rocks on the desert floor in California’s Death Valley have puzzled miners and scientists for years. These heavy rocks have long winding trails in the sand behind them but no one had ever seen the rocks move. For the last 60 years scientists have searched for answers but now with the use of GPS and video cameras they have solved the mystery. Listen to this public radio story to engage your student in the mystery and the science behind the moving rocks.
Story Length: 3:42
© 2014 National Public Radio, Inc. Used with the permission of NPR. All rights reserved.
AIR DATE: 08/28/2014
September 4, 2014
4:00
Earthquakes cause damage and create fear and uncertainty. But a new early warning system called Shake Alert is working to mitigate both. This phone app can rapidly detect earthquakes once they have begun, giving people time to prepare. The app is in the early testing stage but it successfully gave a warning before the recent earthquake in California. Listen to this public radio story to learn more about the technology and goals behind this early warning system.
Read MoreAugust 1, 2014
3:55
Lionfish in Florida cause anxiety for fisherman because they are invasive and have no known predators. But until a sixth grader did a groundbreaking science fair project, scientists assumed lionfish couldn't survive in fresh water. Her project proved the fish can survive in fresh water and her results caught the attention of a large science publication. Listen to this public radio story to learn how she did it.
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