Archive for the ‘Earth and Space Science’ Category

No joke: Laughing gas attacks ozone! - Thursday, September 3rd, 2009

The ozone layer protects Earth from UV rays: Twenty-two years after a treaty to protect ozone, how is the layer doing? What has happened to the ozone hole above Antarctica?

“No prob” sez life to crashing asteroids! - Thursday, May 21st, 2009

The “late heavy bombardment” burned out any life that was around 4 billion years ago — or not… Plenty of high temperature bacteria could have survived in deep rocks, says a new study.

Year of astronomy: More reasons to love stars! - Sunday, January 25th, 2009

400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.

Carbon tax or carbon trading? Can economics battle global warming? - Thursday, December 4th, 2008

Carbon tax or carbon trading? Can economics battle global warming? As the United Nations gets set for (another!) pow-wow on global warming, policy wonks are focusing on two mechanisms to reduce carbon pollution. Which gets more control at a lower price: carbon tax or carbon cap-and-trade?

Science Education 101 - Thursday, April 3rd, 2008

Don’t know much about Science Education: A new survey shows three out of every four US adults do not feel they have a good understanding of science.

Looking anew at diamonds - Thursday, January 10th, 2008

New analysis uses light to distinguish one diamond from another. Technique may help jewelers, but won’t help the battle against the “conflict diamonds” that are fueling wars in Africa.

Tales from the solar system: Voyagers told ‘em best! - Thursday, September 6th, 2007

The Long Goodbye: 30 years after blast-off, two Voyager spaceships have reached the edge of the solar system. Meet the missions that revolutionized the study of planets and moons.

Ultimate Storm: What are hurricanes? - Thursday, August 23rd, 2007

How do they form? How do we predict their paths? How can we improve predictions?

What we did on our summer vacation: Visit Mars! - Thursday, July 26th, 2007

It’s a boom time for studying Mars, and the perfect time for the be-all, end-all summer vacation. Ride a robot rover. Dune-buggy an unearthly dune field. Even meet-and-greet a real live Martian! All aboard for Mars!

Super View of Supernova - Thursday, March 1st, 2007

After 20 years, star explosion reveals more secrets. What gives in these giant bangs?

Cool Science Images

SciMax Theater

Virtual Science!

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