Can crunching celery undo the damage of too many mince pies? How fast is gravity? Why is slug slime sticky? And how much matter can a black hole suck in before it explodes?

Quentin Cooper is joined by palaeontologist Mike Benton, atmospheric physicist Helen Brindley and cosmologist Gerry Gilmore for a special question and answer edition of the programme.

Release date:

Available now

26 minutes

Last on

Christmas Eve 2009 16:30

Inside Science

BBC Inside Science

Adam Rutherford explores the research that is transforming our world.