What happens to celebratory bullets?

Question of the Week, from the Naked Scientists

In some parts of the world, some groups will fire guns directly into the air in celebration. Mike wants to know what happens to these bullets, and if they have the potential to be dangerous. To help answer this question, James Tytko spoke with neurologists Yousef Hayder and Luis Rafael Moscote-Salazar... Like this podcast? Please help us by supporting the Naked Scientists