A disease that killed millions in the 20th century still lingers — and with it the threat of a new epidemic. Why? The answer may have been staring us in the face all along, as Michael Regnier discovered when he traveled to Guinea with scientists searching for the key to a medical mystery.
Shortly after his 21st birthday, Henry Nicholls began to experience symptoms of narcolepsy, a debilitating disorder that's plagued him ever since. Sleep research is progressing, so why are he and others like him still waiting for a cure?
Out of the blue, Vanessa Potter lost her sight. As she recovered, her senses mingled — hearing and touch changed the way she saw colors. Her quest to understand why introduced her to new tech that uses sound to help blind people see.
Despite all of the wrangling and rule making, there’s a core truth about our financial system that we have yet to comprehend fully: It isn’t serving us, we're serving it.
From 1932 to 1968, tons of mercury seeped into the clear waters of Minamata Bay, Japan, causing health and environmental problems still felt today. As the first global treaty on mercury finally comes into force, what have we really learned from this disaster?
Women's reproductive rights are under attack across the globe. Sophie Cousins investigates the challenges women face in accessing abortion and contraception in two very different countries — India and the USA.
Millions of people across the world want to make their skin lighter — but the treatments they use can be dangerous. Mary-Rose Abraham meets beauticians, dermatologists and their clients to walk the line between aesthetic choice and racial prejudice.
Colleges aren't doing nearly as much to expand economic opportunity as most people think.
Sex workers in Mozambique are providing health support to those at the margins of society. They face political and financial challenges, but against the odds are helping thousands.
After his son's suicide at age 18, Steve Mallen sees the world differently. Along with a growing number of mental health experts, he wants to reduce the rate of suicide across the world, and is aiming for zero.
A teacher at an elite boarding school confronts her own confused leap up the ladder of class privilege.
Bringing genetics into medicine will lead to more accuracy, better diagnosis and personalized treatment — but not for all.