Health & Science Audio/Video - NPR

New analysis of tiny beads of volcanic glass collected by Apollo astronauts suggest the moon once contained enough water to fill the Caribbean Sea. The finding raises new questions about how the moon was born.

Leroy Sievers, former broadcast journalist and author of the My Cancer blog on NPR.org, talks candidly about the challenges and triumphs of battling cancer. Elizabeth Edwards, who was diagnosed with breast cancer in 2004, joins the conversation.

If you have a happy marriage, you might let your kids date more. If you have a bad marriage, you might keep your teenagers closer to home. A new study links parents' satisfaction in their own relationships to the dating rules they set for their children.

Imagine what it would be like to stockpile your garbage for an entire year. Dave Chameides is doing just that to understand how he affects the environment. Half-way through his project, we visits him to check in on his trash and his marriage.

California wildfires have now burned more than 800 square miles. What's going to happen once the smoke has cleared? We talk to a fire expert about the good and bad consequences of a major fire.

Annie Hubert and other cancer patients receive premium treatment in France, where coverage is universal. The national health care system covers 100 percent of their care, from home visits to experimental medication.

On the final day of the G-8 summit in Japan, leaders of eight developed and eight developing nations issued a joint statement. In it, they pledged to combat climate change and advance U.N. negotiations on global warming. However, it failed to convince those attending from emerging economies that the rich nations are doing enough.

Golfers enjoying a great day have long said the hole looks bigger than it is — even as big as a bucket. Now a new study suggests that successful athletes may actually perceive the world around them differently.

In recent years, athletes' use of performance-enhancing drugs has grown more sophisticated. Sports officials are working hard to keep up with the dopers ahead of the Beijing Olympics. We talk to one expert about the tricks of the trade.

A former EPA official claims the White House pushed for major deletions in congressional testimony about the health consequences of climate change. We examine the alleged attempt to avoid regulating greenhouse gases.