Podcast:Ask the Naked Scientists Published On: Fri Mar 21 2014 Description: Is gravity waves from the Big Bang a big deal? Is evolution still occurring? Why does water boil at lower temperature at altitude? Can the brain be hitched up to control a computer? Are power lines bad for your health? Will sleeping with the light on harm health? How accurate is a medical syringe? And why does spinning around make me dizzy? Like this podcast? Please help us by supporting the Naked Scientists