
Star Music! - The Countdown #29
The Countdown is a biweekly show highlighting the top space new stories. In this episode: Mars' Movie, Reusable Rocket, Name Your Exoplanet, Russian Meteor Haze and Star Music.

Star Music! - The Countdown #29
The Countdown is a biweekly show highlighting the top space new stories. In this episode: Mars' Movie, Reusable Rocket, Name Your Exoplanet, Russian Meteor Haze and Star Music.

Invasive Seafood: It's What's for Dinner
Invasive species can be a major pest, but some people see them as an untapped food resource. Go on assignment with Scientific American editor Michael Moyer as he forages for his next meal with a chef who makes the detestable delectable.

Why Calorie Counts Are Wrong
Typical calorie counts ignore how we cook and process food, how gut bacteria interact with food and the overall complexity of human digestion. Scientific American editor Ferris Jabr explains.

The Lunokhod Rovers - It Happened in Space
Although the United States roved the Moon first on manned missions, the Soviet Union was the first nation to robotically rove around the lunar surface with the twin Lunokhod rovers in the early 1970s.

Top 5 Places to Look for Alien Life - The Countdown #28
The Countdown is a biweekly video show highlighting the top space news stories. In this special episode, we countdown five places most likely to harbor alien life forms.

Black Hole Devours Cosmic Cloud - The Countdown #27
The Countdown is a biweekly video show highlighting the top space news stories. In this special episode: The Other Blue Planet, Neptune's New Moon, Sizing Up Neutron Stars, Meteorite Reveals History of Mars' Crust and Black Hole Devours Cosmic Cloud

Why Does Cooked Food Taste Good?
A chemical reaction discovered by French chemist Louis Camille Maillard (1878-1936) is responsible for the delicious flavors present in everything from baked bread to steak.Scientific American's Michael Moyer gives us a bite-size explanation.

Why Toothpaste Makes Orange Juice Taste Bad
We learn early not to drink juice after brushing our teeth. But it isn't just the mix of citrus and mint. The chemicals in toothpaste make your tongue more sensitive to bitter flavors ordinarily not detected in the juice.

A Map of the Local Universe - The Countdown #25
The Countdown is a biweekly show highlighting the top space stories. In this episode: Mars' Gigapixel Close Up Carving Out a Ride in Martian Soil, IRIS Focuses In on Sun's Chromosphere, Black Hole Sends Cool Breeze and A Map of the Local Universe.

The First Woman in Space: Valentina Tereshkova
On June 16, 1963, cosmonaut Valentina Tereshkova launched into orbit as the pilot of Vostok 6.

What Is a Field?
Contributing editor George Musser explains how physicists think about the universe using the fundamental concept of "the field".

Hypervelocity Stars - The Countdown #24
The Countdown is a biweekly show highlighting the top space stories. In this episode: Lumpy Lunar Gravity, Curiosity's Next Journey, Tracking Space Warps, Smallest Galaxy Ever Found, and Hypervelocity Stars