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Horizon - 2002-2003

Logo for Horizon - 2002-2003

Series exploring topical scientific issues

logo for Horizon - 2002-2003 - Revisited: Dawn of the Dinosaurs
Horizon - 2002-2003 - Revisited: Dawn of the Dinosaurs

An investigation into the theory that a comet was responsible for dinosaur extinction, followed by a look at the role of asteroid collisions in evolution.

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logo for Horizon - 2002-2003 - The Day the Earth Nearly Died
Horizon - 2002-2003 - The Day the Earth Nearly Died

250 million years ago during the Permian era, 95 percent of all life on Earth disappeared. The causes of this remained unknown until a recent discovery in Greenland helped unlock the mystery.

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