Dr Karl

48:05
 
Share
 

Manage episode 220714884 series 1301404
By BBC and BBC Radio 5 live. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.
DR KARL discusses whether human saliva is a good cleaning agent? Also, are perpetual motion vehicles a realistic possibility and is thorium a cleaner alternative to nuclear power?

575 episodes