2026 Nobel Prizes honour optogenetics, neutrino astronomy and asymmetric catalysis
The 2026 Nobel Prizes recognized major scientific breakthroughs: Karl Deisseroth, Peter Hegemann and Georg Nagel received the Medicine prize for developing optogenetics, a technique using light to control neurons that has become essential in neuroscience research. Francis Halzen won Physics for leading the IceCube Observatory, which detected high-energy neutrinos and revolutionized cosmic observation.
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The Nobel Prize in Physiology or Medicine was awarded jointly to Karl Deisseroth of Stanford University and two German researchers, Peter Hegemann and Georg Nagel, for their discovery of light-gated ion channels and the development of optogenetics. This technique enables scientists to activate or deactivate specific neurons using light, and it has established itself as one of neuroscience's most widely used research tools since the mid-2000s.
The Physics prize went to Francis Halzen, an 82-year-old Belgian astrophysicist recognised for his decades of leadership at the IceCube Neutrino Observatory in Antarctica. The observatory achieved the first detection of high-energy astrophysical neutrinos, thereby opening an entirely new field of cosmic observation. The Chemistry prize was awarded jointly to French chemist Henri B. Kagan and Japanese chemist Kensō Soai for their discovery of non-linear effects and autocatalysis in asymmetric organic synthesis, research that has extensive applications in pharmaceutical manufacturing.
In the humanities, Canadian poet, essayist and classicist Anne Carson, aged 76, received the Nobel Prize in Literature. The Swedish Academy recognised her 'bold and inventive oeuvre' that blends poetry, fiction and classical scholarship. Carson responded to the honour with characteristic humour, remarking that the judges were 'crazy' to select her. South African judge Navi Pillay was awarded the Nobel Peace Prize for her lifelong dedication to international law and human rights. She previously served as UN High Commissioner for Human Rights, as well as on the International Criminal Court and the Rwanda genocide tribunal. UN Secretary-General António Guterres praised her as a champion of 'the force of law' over 'the law of force'.
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