How Exploding Lakes Work
During 1986, an unusual thing happened in Cameroon: Lake Nyos exploded, expelling a toxic cloud that killed roughly 1700 people. How could this happen? More importantly, could it happen again? Learn m...
21 Jan 201013min
How Fighting Asteroids Works
Asteroid impacts are inevitable. As they hurtle toward Earth, experts race against the clock to build an effective asteroid deterrent. Will they succeed in time? Learn more about asteroid fighters -- ...
12 Jan 201017min
Amazing Infestations!
From hordes of caterpillars in Liberia to the Australian mice plagues, infestations can occur in almost any part of the world. Join Robert and Allison as they explore some of the world's largest -- an...
12 Jan 201024min
