Recent Episodes
Decoding Neanderthals
Decoding Neanderthals
NOVA
Scientists examine evidence about Neanderthals that sheds light on the hominids, who died off some 30,000 years ago. See the 2010 reconstruction of the Neanderthal genome, which posits that modern humans and Neanderthals interbred.
1 min.
Venom: Nature's Killer
Venom: Nature's Killer
NOVA
Hunting down the most venomous animals to reveal their medical mysteries.
Australia's First 4 Billion Years: Strange Creatures
Australia's First 4 Billion Years: Strange Creatures
NOVA
60 min.
Australia's First 4 Billion Years: Monsters Preview
Australia's First 4 Billion Years: Monsters Preview
NOVA
Some 250 million years ago, some of the largest, most dangerous reptiles ruled this land.
Australia's First 4 Billion Years: Life Explodes
Australia's First 4 Billion Years: Life Explodes
NOVA
Fossils reveal how life’s explosion in the ocean was recreated on dry land.
Australia's First 4 Billion Years: Awakening
Australia's First 4 Billion Years: Awakening
NOVA
60 min.
| Wednesday 5/22/13 9:00 PM WGBH 2 |
Thursday 5/23/13 2:00 AM WGBH 44 |
Thursday 5/23/13 5:00 AM WGBH 2 |
Thursday 5/23/13 8:00 AM WGBH World |
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| Secrets of the Sun | Secrets of the Sun | Secrets of the Sun | Secrets of the Sun |
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Related Content
Time. We waste it, save it, kill it, make it. The world runs on it. Yet ask physicists what time actually is, and the answer might shock you: They have no idea.
Even more surprising, the deep sense we have of time passing from present to past may be nothing more than an illusion. How can our understanding of something so familiar be so wrong?
In search of answers, Brian Greene takes us on the ultimate time-traveling adventure, hurtling 50 years into the future before stepping into a wormhole to travel back to the past. Along the way, he will reveal a new way of thinking about time in which moments past, present, and future—from the reign of T. rex to the birth of your great-great-grandchildren—exist all at once.
This journey will bring us all the way back to the Big Bang, where physicists think the ultimate secrets of time may be hidden. You'll never look at your wristwatch the same way again.
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