Videos

Angry Birds, one of the most popular mobile games, is pretty simple: you use a slingshot to fling outraged birds at the fortresses of greedy green pigs. So why do we play for hours on end? SA's Ferris Jabr takes a look from the inside out.

The Countdown is a biweekly video show highlighting the best stuff in space news. In this episode: Printing Pizza for Astronauts, Magnetar Glitch, Opportunity Breaks a Record, Kepler's Flywheel Woes and a Galactic Collision.

In this video, we break down the complex science of periodical cicadas, one of nature's most intriguing creatures. Top image: tlindenbaum/Flickr.

Stress. It makes us sweat, gives us headaches and is blamed for all sorts of medical maladies. But did you know that stress, in small measure, can actually help us succeed? Scientific American MIND editor Ingrid Wickelgren explains.

The Countdown is a biweekly video show highlighting the best stuff in space news. In this episode: Why Barns Are Red, Light Pollution Gets Crowded, An X-Classy 'Af-flare', The Moon and Earth's Common Water Source and An Ancient Underground Oasis

It's often left out of the history books, but NASA wanted to land the Gemini spacecraft on a runway with a paraglider.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Virgin Galactic Powers Up, One-Way Ticket to Mars, Canadian Space Antics, Saturn Hurricane, Antarctica's Supernova Sand.

We typically think of viruses as harmful. After all, they cause epidemics like influenza, smallpox and AIDS. But bacteriophages, the viruses that kill bacteria, may soon be coming to our rescue. Scientific American's Anna Kuchment explains.

Cats are good sleepers and destroyers of furniture, but why do we never see them swimming? In this episode of Instant Egghead we get to the bottom of this mystery and, oh yeah, also explain the scientific method. Episode written by Robin Lloyd.

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Voyager Hokey Pokey, Mini-Supernovae, Mercury Meteorite, Planck's Map, Birth of Massive Stars

The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Exoplanet Composition, Neighborhood Dwarves, Comet Pan-STARRS, Martian Love Boat, The Methuselah Star

Professor Enrique Galvez of Colgate University has built a machine to observe quantum entanglement, the strange phenomenon that Einstein called "spooky action at a distance." Follow this link for the first video in this series: http://goo.gl/YfUuh