NOVA
Forgotten Genius
The story of how African-American Percy Julian defied the odds to become a famous chemist.
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Hunt for the Oldest DNA
Follow the quest to recover DNA millions of years old for the very first time.
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Making North America: Life
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
NOVA
Ultimate Space Telescope
Discover how NASA engineers built and launched the most ambitious telescope of all time.
NOVA
Ancient Earth: Humans
How did Earth give rise to humans? See what made our species' existence possible.