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Where is the Milky Way?
Trying to determine the location of the Milky Way would be like trying to find your way across a terrain where the landmarks aren't where they appear to be!
July 9, 2008
Why is Earth the only planet with living things?
Nina Amatulli, in the second grade at The American School in Japan, asks the scientists why Earth is the only place with life. Hear the response from Robert Hazen of the Carnegie Institution For Science.
July 7, 2008
Global catastrophic risks discussed by experts
He said humans have experienced catastrophes in the past, but that the events of this century could determine the survival of our species. Read more about global catastrophic risks.
July 3, 2008
Building a global fish-barcode library
Bruce Collette of Washington, DC is working to assign barcodes to all 30,000 fish species. Read more about building a global fish-barcode library.
July 2, 2008
Shell lead scientist speaks on global warming
Shell lead scientist has spoken in a new EarthSky Clear Voices for Science podcast about the need for what he called "aggressive action" on the issue of CO2.
June 30, 2008
Can bees see colors we can’t?
Bees can see ultraviolet - a color humans can only imagine - at the short-wavelength end of the spectrum. Read more about how bees see colors.
June 29, 2008
Gas-to-liquids fuel technology is promising
Earth's growing population means more vehicles, and more pollution. A Shell scientist describes a gas-to-liquids process for a cleaner-burning fuel.
June 29, 2008
‘The three hard truths of the world’s energy use’
Jan van der Eijk is Chief Technology Officer for Shell. In this 12-minute Clear Voices for Science podcast, he discusses what he calls the "three hard truths" of meeting the world's energy needs.
June 29, 2008
Life-seeking robot and Europa’s ice with Peter Doran
A life-seeking robot being tested now in Antarctica might someday be used to find signs of life on other worlds, such as on Europa. Read more.
June 27, 2008
Changing Earth phases, seen from the moon
As seen from the moon, the Earth waxes and wanes - just as the moon does as seen from our world.
June 21, 2008
