What Causes Sinkholes?00:43
Dr. Joshua West explains what creates one of nature’s strangest phenomena – sinkholes.
Who is Third Party Candidate Jill Stein?00:37
What’s the Youngest Age to Compete in the Olympics?00:36
What a Heat Dome?00:36
Is China Militarizing in the South China Sea?00:37
How Do You Become a Member of the Academy?00:37
Wall Street Lingo: What's a Corporate Inversion?00:36