Manhunt: Boston Bombers
The search for the perpetrators of the Boston bombings.
Oklahoma's Deadliest Tornadoes
Examining the May 20, 2013, tornado strike in Oklahoma.
Hunt for the Supertwister
"Hunt for the Supertwister."
Secrets of the Sun
Examining the sun, which is 27 million degrees Fahrenheit.
Scientists examine evidence about Neanderthals that sheds light on the hominids, who died off some 30,000 years ago. See the 2010 reconstruction of the Neanderthal genome, which posits that modern humans and Neanderthals interbred.
Venom: Nature's Killer
Hunting down the most venomous animals to reveal their medical mysteries.
6/20/13 5:00 AM
6/20/13 7:00 PM
6/20/13 8:00 PM
6/21/13 12:00 AM
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