Nobel laureates share their winning science

We talk to two of this year’s newest Nobel Laureates, Dr. Karl Deisseroth and Peter Hegemann, about their discoveries in optogenetics, a technique that has transformed what we know about the brain — all thanks to a light-detecting algal protein. Also today: Gut microbes can encourage fever after vaccination Weather forecasters are less confident in their predictions these days. Here’s why What raccoons and other wild brains can teach us about ourselves Quirks & Quarks has been nominated for a Signal Award! You can vote for us here. For more information about today’s episode, visit cbc.ca/quirks.