Nobel Prize Medicine 2026: Scientists found a 'light switch' inside algae & turned it into a tool to control brain cells; what this discovery means

Nobel Prize Medicine 2026: The 2026 Nobel Prize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel for their discoveries involving light-gated ion channels and optogenetics. Their work showed how light-sensitive proteins can be used to control nerve-cell activity, opening new ways to study the brain and its neural circuits.