Since the widespread use of antibiotics began in the 1940s, we've tried to develop new drugs faster than bacteria can evolve -- but this strategy isn't working. Drug-resistant bacteria known as superbugs killed nearly 700,000 people last year, and by 2050 that number could be 10 million -- more than cancer kills each year. Can physics help? In a talk from the frontiers of science, radiation scientist David Brenner shares his work studying a potentially life-saving weapon: a wavelength of ultraviolet light known as far-UVC, which can kill superbugs safely, without penetrating our skin. Followed by a Q&A with TED Curator Chris Anderson.

David Brenner: A new weapon in the fight against superbugs

A new weapon in the fight against superbugs

Antibiotics' golden age in the 1940s gave rise to superbugs, causing 700,000 deaths annually, with a potential leap to 10 million by 2050.

Far-UVC light emerges as a physics-powered warrior against superbugs, able to sterilize without harming human skin or eyes.

With approval and safety confirmation in progress, far-UVC light envisions a future where public spaces are sanctuaries from pathogens.