Deadliest Tornadoes

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Australia's First 4 Billion Years: Awakening

Australia's First 4 Billion Years: Awakening

NOVA

60 min.

Ancient Computer

Ancient Computer

NOVA

A Greek shipwreck holds the remains of an intricate bronze machine that turns out to be the world’s first computer.

60 min.

Meteor Strike

Meteor Strike

NOVA

The meteor strike in Siberia is examined.

60 min.

The Mind of a Rampage Killer

The Mind of a Rampage Killer

NOVA

The possible motivations of rampage killers.

60 min.

Earth From Space

Earth From Space

NOVA

120 min.

Building Pharaoh's Chariot

Building Pharaoh's Chariot

NOVA

60 min.

Schedule

Saturday
4/6/13 2:00 AM
WGBH 2
Saturday
4/6/13 1:00 PM
WGBH 44
Sunday
4/7/13 1:00 AM
WGBH 44
Sunday
4/7/13 4:00 AM
WGBH 2
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The science behind the April 2011 tornado outbreak in the U.S., which saw more than 360 people killed from hundreds of twisters, is examined. Included: what caused the tornadoes; whether the tornado-prediction process can be improved.

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