The Naked Scientists flagship science show, includes the latest science news, interviews with top scientists, hands-on science experiments and answers to your science questions.
April 29th, 2008
Episode 115 of 1138 episodes
Stunning sapphires, dazzling diamonds and red rubies abound in this week's sparkling edition of the Naked Scientists in which we find out how gemstones are formed, what makes them so beautiful and why they're so rare. We also reveal the tricks used by experts to flush out fake stones, and discover how synthetic diamonds can make better lasers, more powerful electronics, sweeter tweeters and cutting-edge scalpels. Plus, why a mongoose could be your best friend in a minefield, how a good breakfast leads to more male births and, in Kitchen Science, how to grow some beautiful crystals at home!