Belgian physicist Prof Francis Halzen has won the Nobel Prize in physics for his pioneering work on an observatory that detects particles from space.[8176321][8178181][8172716][8176989] Halzen's research into capturing neutrinos at the South Pole dates back to the 1980s.[8176321][8172716] The Nobel Prize in medicine was awarded Monday to three scientists working on the mechanisms the brain uses to switch on, or off, the activity of individual nerve cells.[7981677][7979826][7978631][7976480] US psychiatrist and neurologist Karl Deisseroth and his German colleagues Peter Hegemann and Georg Nagel have been awarded for their work on investigating the mysteries of the brain.[7981677][7979826][7978631][7976480] The Nobel Prize in physiology or medicine 2026 has been awarded to three scientists for their discoveries concerning light-gated ion channels and optogenetics.[7981677][7979826][7978631][7976480]