AFP News Agency
CLEAN : From lockup to landslide: meet DC's first leader elected from jail
A few miles from the gleaming sandstone porticos and collonades of the White House, Washington's most unlikely elected official has an executive office of his own -- a cell in the crumbling 1970s District of Columbia Jail (Footage by...
PBS
Untangling the Devil's Corkscrew
How did scientists unravel the mystery of an ancient beaver species? An engaging video from a well-written biology playlist discusses the discovery of strange spiral fossils found in Nebraska farm country. Junior paleontologists examine...
Fuse School
The Rock Cycle
Aren't all rocks the same? High school earth scientists can say "definitely not!" after viewing the second in a series of seven videos. Beginning with an easy analysis and comparison of sandstone and granite, class members follow the...
Science Friday Initiative
Science Friday: This Field Rocks
A trip to Hickory Run State Park which has a 16-acre field of sandstone boulders. Megan Taylor, an environmental education specialist, explains how these boulders came to be there. Aired May 13, 2010. [2:39]
PBS
Pbs Teachers: Rock Climbing
Compare and contrast the hardness of different types of rocks. Watch kids use the scientific method to find out how different rock types affect a rock climber's performance.
PBS
Pbs Teachers: Mountain Bike
Observe the landscape in Moab, Utah. Watch kids use the scientific method to investigate why the bicycle trails in Moab are so different.