Green Bean Galaxies and more! - The Countdown, Episode 11
The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Ticket to the Moon, Earth at Night, Ebb and Flow, Mayan Unpocalypse and Green Bean Galaxies.
How Do Knees Work? - Iron Egghead
Can you explain science with seven everyday items? Scientific American's interns took the challenge and created this video using stuff found around the office. Create your own video and submit it to our Iron Egghead Video Contest: http://goo.gl/5HVkt
How Does Radiocarbon Dating Work?- Instant Egghead
How do scientists determine the age of fossils that have been under the surface of the earth for thousands of years? Scientific American Editor Michael Moyer explains the process of radiocarbon dating.
A Super Jupiter and more! - The Countdown, Episode 10
The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Makemake's Shadow, Mars or Bust, A Super Jupiter, Largest Quasar and a Moon Mash-Up
A Habitable Super-Earth? - The Countdown, Episode 9
The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: The Real Planet Krypton, Sandy by Satellite, Smartphone Tricorder, Printing Rockets and a Habitable Super-Earth
Are We Alone in the Universe? - Instant Egghead
Does other intelligent life exist in the universe? Until we discover aliens, or they discover us, we won't know for sure, but the famous Drake equation gives us an educated guess. Scientific American editor John Matson explains.
Hurricane Syzygy & Superluminous Supernovae -The Countdown, Episode 8
The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Hurricane Syzygy, Ancient Starlight, Vesta Mystery, Superluminous Supernovae & ‘Hawaiian’ Soil on Mars.
Why Do Paper Cuts Hurt So Much? - Instant Egghead
Some of the most infuriating and stabbing pain is caused by nothing but a thin sheet of paper. Scientific American editor Ferris Jabr explains why the page of a book can sometimes cause more anguish than a blade.
Instant Egghead - Are We Facing the Sixth Mass Extinction?
According to the United Nations, we are losing about 200 species per day--a thousand times the normal background rate of extinction. How does this stack up to previous mass extinctions? Scientific American editor Fred Guterl explains.
The Countdown, Episode 7 – Planet Centauri, Endeavour's Road Trip & Moon Mystery Modeled
The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Planet Centauri, Endeavour’s L.A. Road Trip, DayGlo Comet, Moon Mystery Modeled, a Not-Quite-Space Jump
Instant Egghead - What Is the Ames Illusion?
In 1934, ophthalmologist Adelbert Ames, Jr. devised a room that pushes the boundaries of human perception. Visit a virtual version of the now famous Ames room as Scientific American MIND editor Ingrid Wickelgren explains how it works.
Library Catalogs Diversity of Animals Sounds
The Macaulay Sound Library at the Cornell Lab of Ornithology in Ithaca, N.Y. holds the oldest and largest collection of animal sounds in the world. The collection helps scientists understand the screeches, calls, buzzes and songs of life.