Answers to Science Questions

We find out what's going on in our brains as we sleep. What are dreams? And why do we have nightmares?

Why does a glass of fizzy drink bubble over when icecubes are dropped into it? We ask a champagne specialist physicist!

Could diamonds be mined out in Space? Could other planets form even better diamonds than Earth?

Why does dark matter form into haloes around galaxies, but not collapse to form stars?