Are horseshoes unlucky in a thunderstorm?

Chris Smith from The Naked Scientists takes on YOUR questions. What would happen if a horse with metal shoes on was struck by lightning? How was DNA code devised? Could electricity go wireless? How much calcium is in a cup of tea? Why can slime change colour with heat? Is second hand smoke from e-cigarettes harmful? Does NASA still have contact with Voyager? How can goats climb mountain sides? Plus, the new wireless technology allowing more cuddles for premature babies. For more podcasts by The Naked Scientists, head to nakedscientists.com/podcasts. PLUS, you can follow the team on Instagram,... Like this podcast? Please help us by supporting the Naked Scientists