A Brigham Young University physicist set up high-speed cameras to find out how the Waboba skips so readily across the water. He and his colleagues found that the key lies in the ball's elasticity.
Roads & Kingdoms
Life After ISIS The Northern Iraqi city of Sinjar has been recaptured from ISIS, but it’s a long way from back to normal.
What Happened at Slate This Week? Stuff to read when you need to escape from your family gathering.
The Craziest Endings in College Football History After the turkey, enjoy some classic finishes.