Nuclear Meltdown Disaster: Preview
Why Planes Vanish
Get the inside story of the search for Flight MH370 and meet those who looked for the lost plane.
Watch as the New Horizons spacecraft captures our first clear view of Pluto’s icy surface.
Chasing Pluto: Preview
Why Sharks Attack
The hunting instincts of the great white shark.
Inside Animal Minds: Bird Genius Preview
Search for the secrets of problem-solving bird brains.
Miles O'Brien examines the possible motivations of rampage killers, including the theory that they're driven by the desire to die, not kill, but want to go out making headlines. Also: what science reveals about brains at risk for violence.
Part of the series After Newtown, a weeklong conversation about gun violence in America.
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