The ancient Greeks called it Gaia; the Romans Terra. We know it simply as Earth, the planet we call home. And what a planet it is... Zobraziť viac
There's a whole universe out there... Imagine you had a spacecraft capable of travelling through interstellar space... Zobraziť viac
Where did we come from? Where are we going? Homo sapiens is the most successful, the most widespread and the most influential species ever to walk the Earth... Zobraziť viac
Think of a number between one and ten... Zobraziť viac
