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NOVA
How Extreme Heat Overwhelms the Human Body
As the climate warms, small changes in average temperature can have big impacts, including an increase in the number of people exposed to extreme heat.
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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.