Through the Wormhole S01E05 · How Did We Get Here?

Overview

Everywhere we look, life exists in both the most hospitable of environments and in the most extreme. Yet we have only ever found life on our planet. How did the stuff of stars come together to create life as we know it? What do we really mean by 'life'? And will unlocking this mystery help us find life elsewhere?

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Episodes

1. 1 1. Is There a Creator?2010-06-09 · 44mIt's perhaps the biggest, most controversial mystery in the cosmos. Did our Universe just come into being by random chance, or was it created by a God who nurtures and sustains all
2. 2 2. The Riddle of Black Holes2010-06-16 · 44mThey are the most powerful objects in the universe. Nothing, not even light, can escape the gravitational pull of a black hole. Astronomers now believe there are billions of them o
3. 3 3. Is Time Travel Possible?2010-06-23 · 44mEinstein's Theory of Relativity says that time travel is perfectly possible — if you're going forward. Finding a way to travel backwards requires breaking the speed of light, which
4. 4 4. What Happened Before the Beginning?2010-06-30 · 44mEvery cosmologist and astronomer agrees: our Universe is 13.7 billion years old. Using cutting-edge technology, scientists are now able to take a snapshot of the Universe a mere he
5. 5 5. How Did We Get Here?2010-07-05 · 44mEverywhere we look, life exists in both the most hospitable of environments and in the most extreme. Yet we have only ever found life on our planet. How did the stuff of stars come
6. 6 6. Are We Alone?2010-07-14 · 44mAliens almost certainly do exist. So why haven't we yet met E.T.? It turns out we're only just developing instruments powerful enough to scan for them, and science sophisticated en
7. 7 7. What Are We Really Made Of?2010-07-21 · 44mOur understanding of the universe and the nature of reality itself has drastically changed over the last 100 years, and it's on the verge of another seismic shift. In a 17-mile-lon
8. 8 8. Beyond the Darkness2010-07-28 · 44mWhat is the universe made of? If you answered stars, planets, gas and dust, you'd be dead wrong. Thirty years ago, scientists first realized that some unknown dark substance was af