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NOVA
Dino Birds
Season 52
Episode 3
Why are birds the only dinosaurs still alive today? Rare fossil discoveries are revealing the secrets of bird evolution, telling the story of how some resilient feathered dinos became the vast array of colorful bird species that fill our skies.
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53:10
Which technologies worked in the race to track down the men behind the marathon attack?
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52:53
Can science help us understand why some people commit horrific acts of mass murder?
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52:52
A team uncovers the advanced engineering behind an ancient Egyptian war machine.
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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.
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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?
