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:&nbsp;<ul><li>Gut microbes can encourage fever after vaccination</li><li>Weather forecasters are less confident in their predictions these days. Here’s why</li><li>What raccoons and other wild brains can teach us about ourselves</li></ul>Quirks & Quarks has been nominated for a Signal Award! <a href="https://vote.signalaward.com/PublicVoting#/2026/shows/genre/science" rel="noopener noreferrer" target="_blank">You can vote for us here</a>.&nbsp;For more information about today’s episode, visit <a href="https://www.cbc.ca/quirks" rel="noopener noreferrer" target="_blank">cbc.ca/quirks</a>.

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