View full lesson: Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our planet end up with so […]
Tag: hydrogen
The mysterious origins of life on Earth – Luka Seamus Wright
Where on Earth did life begin? Explore the hydrothermal vents in Earth’s crust as simple compounds gave way to complex life. — Billions of years ago, simple organic compounds assembled into more complex coalitions that could grow and reproduce. At the time, Earth had widespread volcanic activity and a hostile atmosphere that made it almost […]