The Biology of Skin Color

From vaccines to antibiotics, clean water to nutrition, bio-terror threats to the HIV/AIDS pandemic, the six-part series Rx for Survival: A Global Health Challenge tells the compelling stories of global health challenges and successes. Employing both historical dramatic sequences and poignant current documentary stories, the series showcases key milestones in public health history, such as the eradication of smallpox, alongside modern and future challenges, including SARS, a potential global flu pandemic and recovery from the Asian tsunami catastrophe.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Every year, a million babies are born worldwide with hereditary diseases. Physicians once had little to offer. But now a new breed of gene doctors is on the case. Devising treatments that target the root causes, they are transforming patients’ lives.

By a stream in the woods – a place between worlds – two women find each other ankle-deep in the water, letting go of what's past and wondering what will come.