Where are the whales? Scientists find clues t...

When’s the last time you looked at your poop? Dr. Trisha Pasricha says you should look every time because it could save your life. A change in bowel habits is the number one indicator someone might have colon cancer, a disease on the rise in people under 50 in the United States. ...  Show more

Ahead of the peak of the Perseid meteor shower, we're re-airing our first episode with host Regina G. Barber. In it, Regina and planetary scientist Melissa Rice explore all things shooting stars. They talk about the different types, where they come from and what they actually are ...  Show more

On Earth Day, Scientific American sits down with National Geographic underwater photographer Brian Skerry to talk about free diving with whales and filming the giant mammals within five meters or less. “We have to get within a few meters of our subject to get good pictures,” Sker ...  Show more

A scientist who does whale necropsies — or in layman's terms, whale autopsies — tells us why so many dead whales are washing up on beaches.  Learn more about your ad choices. Visit megaphone.fm/adchoices 

All aboard the Nathaniel B. Palmer, a research vessel making its way through the waters of West Antarctica. Journalist Sofia Moutinho is joining a team of chemists trying to find out how glacial melting is changing ocean chemistry—and what those changes might mean for the global ...  Show more

All aboard the Nathaniel B. Palmer, a research vessel making its way through the waters of West Antarctica. Journalist Sofia Moutinho is joining a team of chemists trying to find out how glacial melting is changing ocean chemistry—and what those changes might mean for the global ...  Show more