Indoor light can affect health in good ways and bad. Photobiologist Mariana Figueiro wants to get patients the optimal exposure.
More and more bacteria are nearly impervious to treatment. Could new approaches pick up where antibiotics leave off?
Some components of blood can be measured without a needle stick. Now an innovation in light-based methods could make even more of them visible.
Lasers used in cancer treatment can burn away tumors, and also gather precise information and unleash targeted treatments.
Drug-resistant bugs have spurred research into a promising—and surprisingly simple—treatment.
Light-activated genes, now illuminating brain circuitry in rodents and monkeys, may help solve mysteries of human disease.