Gadgets & Gizmos: Lose weight by eating more, biodegradable plastic (with a catch) & Leica's smartphone

Share Radio's technology editor Steve Caplin discusses research that enables mice to eat more and still lose weight, Leica's first smartphone, waterproof cotton lifejackets, Adidas's sports sunglasses, a sign language translation glove, a keyboard that uses only AA batteries for power, the liking of bees for caffeine, more funny tongue-in-cheek Amazon reviews and biodegradable plastic that's useful only in the dark with no oxygen. Learn more about your ad choices. Visit podcastchoices.com/adchoices