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NOVA
Where Did the Cannabis Plant Come From?
While the origins of the cannabis plant remain unknown, geneticists can trace its evolution and identify its closest living relative.
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53:10
Is our universe unique, or could it be just one in an endless "multiverse"?
53:40
Take a wild ride into the quantum realm, where even the impossible seems possible.
53:40
It defines our lives, but what is time really? Have a look into its true nature.
53:40
Surprising clues indicate that space is very much something and not nothing.
1:43:15
We are on the verge of answering one of the greatest questions in history: Are we alone?
1:52:42
The story of how African-American Percy Julian defied the odds to become a famous chemist.
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52:31
What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
