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Chemistry World
January 23, 2013 |
Chemical climate proxies With the climate change debate as heated as ever, how do scientists reconstruct what the weather was like in the past? Jon Evans looks at the detective chemistry behind such environmental forensic work   |
Chemistry World
December 8, 2008
Hayley Birch |
Meteorites hitting oceans may have kick-started life Japanese scientists have done laboratory experiments to test the idea. |
Geotimes
May 2005
Megan Sever |
Meteor Crater's Slow Impact New findings suggest that rather than one large meteorite striking the ground at a high velocity, a lower velocity, pancake-shaped swarm of meteorite pieces -- formed from the explosion a larger meteorite -- likely carved out Meteor Crater. |
Scientific American
May 16, 2005
Barry E. DiGregorio |
Doubts on Dinosaurs Yucatan impact crater may have occurred before the dinosaurs went extinct. |
Geotimes
July 2007
Kathryn Hansen |
Ancient Ocean Burps A sediment core extracted from the ocean floor off the coast of Baja, Calif., indicates two "burps" of carbon dioxide were once released from a deep, stagnant part of the ocean. |
Geotimes
November 2007
Carolyn Gramling |
How Does Your Continent Grow? Data from ancient mantle rocks are helping to shore up the hypothesis that the continental crust was extracted in pulses, during periodic large melting events in the mantle. |
Geotimes
December 2006
Sally Adee |
Meteorite Pre-Dates Solar System A team of NASA researchers recently reported finding organic material in Tagish Lake meteorite fragments that pre-dates the solar system. |
Chemistry World
April 15, 2010
Lewis Brindley |
Mars meteor gets a boost of youth A Martian meteorite that has played a pivotal role in our understanding of the Solar System has been found to be half a billion years younger than previously thought, say US researchers. |
Chemistry World
May 28, 2013 |
Extreme extraction Imagine how extreme it would be to mine at the bottom of the ocean or on asteroids in the depths of space. That is exactly what a few pioneering companies are planning to do. |
Geotimes
January 2006
Kathryn Hansen |
Mammoth Meteorite Unearthed A meteorite hunter and broker pulled from a depth of 2 meters a rare Brenham meteorite from a Kansas farm field. The 650-kilogram find is the largest of its kind discovered anywhere in the world. |
Geotimes
November 2004
Jay Chapman |
Impacting the Origin of Life Impact events and meteorite strikes are often associated with mass extinctions and widespread devastation. But, despite this destructive reputation, impact events may have played a role in the evolution of life, according to several new studies. |
Chemistry World
February 15, 2010
Hayley Birch |
Decades-old meteorite gets holistic treatment A new technique used to analyse samples from a meteorite that hit Australia more than 40 years ago could help scientists understand more about the chemical complexity of the early solar system. |
Financial Advisor
June 2009
Jeff Schlegel |
Liquid Investment Water provides an ocean of investing opportunities. |
Smithsonian
May 2005
Carl Zimmer |
Life on Mars? It's hard enough to identify fossilized microbes on Earth. How would we ever recognize them on Mars? |
Geotimes
January 2007
Sally Adee |
Meteorite Pre-Dates Solar System When the Tagish Lake meteorite crashed to Earth in 2000, researchers suspected that it would provide one more clue to the origin of life, but instruments were not yet sophisticated enough to confirm a connection. That connection could soon turn up. |
Chemistry World
February 19, 2013
Patrick Walter |
Bacteria clean-up after Gulf of Mexico disaster After the Deepwater Horizon disaster at Macondo prospect spilled 4.1 million barrels of oil into the Gulf of Mexico, bacterial communities made a significant and little noticed contribution to the clean-up. |
Science News
March 5, 2005 |
What's in the Dirt? The U.S. Geological Survey offers a database of more than 60,000 chemical analyses of stream sediment and soil in different parts of the United States. |
