Michael Barnes

San Francisco veterinarian Dr. Frances Gulland is committed to saving sick marine mammals, but she's also desperately trying to figure out what's killing them.

Over the past 21 years, NOVA has followed a group of seven doctors from their first day at Harvard Medical School in 1987.

A powerful partnership between science and scholarship breaks exciting new ground in investigating the origins of the ancient Israelites, their faith in a single, omnipotent God and the creation of the Bible.

Seven doctors, 21 years... Saving lives is only part of the story. Also available on Hulu Plus

What happened to American pilots shot down over Korea half a century ago?

What really happened in this 'high noon' style showdown over the jungles of Guadalcanal?