Life on Earth starts as single-cell bacteria and stays like that for two billion years; then, a miraculous event transforms Earth into a complex interconnected web based on a competition for food. ➡ Subscribe: http://bit.ly/NatGeoSubscribe Get More National Geographic: Official Site: ...

Deep in underwater caverns in the Bahamas lie clues to potential life in the far reaches of space. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About One Strange Rock From award-winning filmmaker Darren Aronofsky comes a mind-bending, thrilling journey that explores the fragility and wonder of ...