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Karl Deisseroth, Peter Hegemann, and Georg Nagel have won the 2026 Nobel Prize in Physiology or Medicine for discoveries concerning light-gated ion channels and optogenetics. Announced on Monday by the Nobel Assembly at Sweden's Karolinska Institute, the laureates share a prize sum of 12 million Swedish crowns, equivalent to about $1.2 million. Optogenetics enables scientists to control individual nerve cell activity in living brains using light, transforming neuroscience research globally. Deisseroth is a 54-year-old American researcher at Stanford University, while Hegemann and Nagel are German biophysicists aged 71 and 73, respectively. The medicine prize traditionally opens the annual Nobel announcement cycle, with awards in physics, chemistry, literature, peace, and economics to follow. The honors culminate on December 10 in Stockholm, marking the anniversary of Alfred Nobel's death. The methodology pioneered by the laureates continues to drive fundamental advances in understanding complex neural circuits and neurological disorders.

Beijing Wildlife Park engaged holiday visitors in an interactive pest control competition to capture invasive fall webworm larvae. The event, launched during China's Golden Week holiday, invited participants to hunt the destructive caterpillars across the 550-acre park using chopsticks and containers. Park officials rewarded the heaviest hauls with prizes including multiple park admissions. The initiative addressed peak seasonal damage from the third generation of the invasive North American species, which threatens over three hundred plant and crop varieties. More than two thousand participants collected over three hundred thousand caterpillars weighing forty-seven kilograms combined. Experts note that gamified eradication campaigns effectively combine public engagement with necessary ecological management against agricultural and forestry pests. The program highlights growing municipal reliance on crowdsourced conservation efforts during periods of peak population growth for destructive non-native organisms.