We reflect on the answer, and we explain the bright silver sparkles you see when looking...
Ask The Naked Scientists
Science phone-in podcasts answering science questions and discussing topical science news stories...
Bursting bubbles, counting calories and healthy living
Breaking bones, Aching joints and the Placebo effect.
Crashing satellites, Squeaking hearts and Glowing stars.
Coloured Bruises, Colliding Bullets and Collapsing Bridges