Archive for the ‘Earth & Space’ 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?

Brit astronomers reveal sizzling cosmic tryst! - Thursday, August 27th, 2009

A planet newly found in the southern sky is perilously close to its star, orbiting in less than 1 Earth day. Within 10 years, this planet may force a new understanding of star-guts.

Fertilizing the ocean - Thursday, August 6th, 2009

As Earth warms, we may need huge geoengineering projects to fight climate change. Would adding iron to fertilize ocean plants withdraw enough carbon dioxide to slow warming? Could the plan backfire?

“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.

Mystery of the disappearing ice sheet - Thursday, September 4th, 2008

Rapid melting of Canadian ice sheet suggests that Greenland’s massive ice cap could melt and raise sea level much faster than predicted within a century.

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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