Why do we laugh when tickled? - a podcast by lol lps

In this question and answer special, the Naked Scientists get stuck into your queries, like why are planets round? Why do we laugh when tickled? Does wearing glasses make your eyesight worse? And how many trees could offset carbon emissions? Plus, in the news, the app that could help you get over jet lag and the Heartbleed bug which could affect your internet security.

Further episodes of lol lps

Further podcasts by lol lps

Website of lol lps