Sessions

How did the universe begin, and what does it tell us about our place in it?

Why is gravity the weakest force in the universe, and yet the one that built every planet, star and galaxy in it?

How do stars work, and how can we read what they are made of from nothing but their light?

What makes a planet a planet?

Why is Earth the only planet we know of that supports life?

Why don't we get fried by the Sun?

How did life start on a bare lump of rock like Earth?

How has life survived for 3.7 billion years?

Why are plants green?

How many planets are there that could harbour life?

If the universe is so vast, why haven't we heard from anyone?

Is it possible to make contact with aliens?

Coming soon...