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Geotimes
March 2005
Sara Pratt
Rocky Debate Over Early Life Scientists fail to replicate a 1996 study on 3.85-billion-year-old rocks that pushed back the date of the earliest evidence for life on Earth by several hundred million years. mark for My Articles similar articles
Geotimes
September 2005
Sara Pratt
Sourcing Ultradeep Diamonds Mineral impurities in a diamond may decrease the gem's value for jewelers, but for geologists they can prove to be priceless: South African diamonds containing garnet have recently provided evidence that very deep diamonds can form from surface materials. mark for My Articles similar articles
Smithsonian
December 2006
Cate Lineberry
Diamonds Unearthed In the first installment of a multi-part series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, explains how the rare crystals form. mark for My Articles similar articles
Chemistry World
July 22, 2011
David Bradley
Cracking diamonds reveals continental origins An analysis of the mineral inclusions in diamonds dredged up by eruptions from deep within the Earth has allowed scientists to get a handle on when the process of plate tectonics began. mark for My Articles similar articles
Chemistry World
December 4, 2013
James Urquhart
Diamonds' redox reaction origins revealed Subduction zones -- boundaries between tectonic plates where the Earth's crust sinks into the hot mantle -- could be breeding grounds for diamond formation, according to Russian researchers. mark for My Articles similar articles
Geotimes
April 2005
Sara Pratt
Space Dust and Snowball Earth Within the spiral arms of the Milky Way galaxy are thousands of giant clouds of dust. Some researchers now say that these clouds collide with Earth every 140 million years, possibly explaining the causes of two distinct periods of widespread glaciation in the planet's geologic past. mark for My Articles similar articles
Geotimes
September 2003
Sara Pratt
Zircons reveal mantle evolution A team of Finnish geologists has discovered 3.1 billion-year-old zircons in the Jormua ophiolite of eastern Finland. Although not the oldest zircons on Earth, the Jormua zircons are the oldest yet found in mantle rocks. Their discovery has given scientists a brief glimpse into the history of early plate tectonics. mark for My Articles similar articles
Geotimes
October 2006
Geocatastrophes Catastrophe and Opportunity in an Ancient Hot-House Climate... When the Mediterranean Dried Up: Forensics of a Geocatastrophe... The Great Death: Redefining a Mass Extinction... mark for My Articles similar articles
Chemistry World
August 28, 2015
Andy Extance
'Fire fountain' data illuminate lunar history The most precise measurements yet of carbon present in volcanic glass samples found on the Moon suggest that the 'fire fountain' lava explosions that formed them were propelled by carbon monoxide. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
May 31, 2011
Manisha Lalloo
Hard x-rays to watch chemical reactions Researchers at the ESRF synchrotron at Grenoble, France, produced hard x-rays to look beneath the surface of materials made of lighter elements mark for My Articles similar articles
Geotimes
July 2005
Megan Sever
Carbon Leaching Out of Siberian Peat New research is showing that as temperatures rise across the Arctic, carbon once locked up in permafrost soils may begin escaping into the area's waterways. mark for My Articles similar articles
Geotimes
February 2004
Sara Pratt
Fire cooks rock clocks A new field study has confirmed what models had previously predicted: The intense heat of wildfires can reset the helium "clock" in rocks, making them appear younger than they are. mark for My Articles similar articles
Geotimes
May 2007
Hope Jahren
Geologists Weigh in on Diet and Disease Geoscientists can play a special role in contributing to medical research, using the integrative systems-based approaches pervasive to earth science. mark for My Articles similar articles
Chemistry World
May 28, 2014
Ian Randall
Earth's earliest continent formed like Iceland The Earth's first continents may have formed in a geological setting similar to modern-day Iceland, according to the geochemical analysis of a newly discovered rock unit from Canada. mark for My Articles similar articles
Chemistry World
January 14, 2014
Ian Randall
Early start for plate tectonics Subduction of the Earth's crust -- and modern-day plate tectonics -- may have begun as early as the Hadean Eon, 4.4 billion years ago, according to a new study led by researchers from Australia. mark for My Articles similar articles
Chemistry World
May 26, 2009
Hayley Birch
A concrete solution to climate change? A better understanding of how carbon dioxide is absorbed by concrete could help scientists accelerate absorption processes and offset a greater proportion of the emissions from cement production mark for My Articles similar articles
Geotimes
December 2003
Sara Pratt
Super-hard graphite Compressed graphite does not become diamond, but instead becomes a "super-hard" form of graphite. The new material has many potential industrial applications, for example as a structural component or perhaps for use in high-pressure scientific instruments. mark for My Articles similar articles
Chemistry World
December 22, 2011
Laura Howes
Artificial hips glide on graphite Metal-on metal hip replacements are lubricated by a layer of graphite, say scientists in the US. mark for My Articles similar articles
Science News
May 9, 2009
Science Past From The Issue Of May 9, 1959 Scientists predict 25% increase in carbon dioxide by the year 2000. mark for My Articles similar articles
Geotimes
February 2007
Sally Adee
Escape From Snowball Earth Early Earth didn't do things half-way: It may or may not have ever been a solidly frozen "snowball" in the deep geological past, but it was never a half-frozen ball of slush, according to a new study. mark for My Articles similar articles
Chemistry World
March 2006
Katie Gibb
Extreme Analysis High pressures, cold temperatures and inaccessible samples all make analytical work challenging for chemists. Science still has a lot to gain from studying and working in extreme environments. mark for My Articles similar articles
Chemistry World
November 2007
Simon Hadlington
Solving an Ancient Puzzle Analytical chemistry is revolutionizing archaeological study - as well as igniting some controversy mark for My Articles similar articles
Chemistry World
November 2010
Carbyne and other myths about carbon Harry Kroto gets hot under the collar on the subject of so-called carbyne mark for My Articles similar articles
Geotimes
March 2003
S. Julio Friedmann
Storing Carbon in Earth Carbon sequestration is capturing carbon dioxide, either from the atmosphere or emission streams, and storing it in reservoirs, such as plants or soils. Carbon dioxide could be converted to solid chemicals or injected into the deep ocean. Though there are risks, the potential pay-off is enormous. mark for My Articles similar articles
Chemistry World
August 13, 2013
Simon Hadlington
New evidence for room temperature graphite superconductivity leaves experts unconvinced Researchers in Germany have presented further evidence for room temperature superconductivity in regions of graphite samples. Other experts, however, remain cautious about the interpretation of the measurements. mark for My Articles similar articles
Chemistry World
September 24, 2012
Simon Hadlington
Raised eyebrows greet graphite superconductivity claim Can graphite treated merely with water become a superconductor at room temperature? This is the extraordinary claim made by scientists in Germany. mark for My Articles similar articles
Chemistry World
March 5, 2012
James Urquhart
Simulating Your Way to a Better Supercapacitor Researchers have used computer simulations to elucidate how supercapacitors are able to store electric charge. mark for My Articles similar articles
Geotimes
December 2004
Jay Chapman
Carbon Dioxide Alchemy Some scientists are experimenting with a new form of alchemy, not looking to create a substance, but rather remove one: carbon dioxide. If their process works, it could reduce the effects of the greenhouse gas in the atmosphere. mark for My Articles similar articles
Popular Mechanics
February 23, 2009
Andrew Moseman
Can NASA's New Climate Detective Find the Missing CO2? Early Tuesday morning, a Taurus XL rocket will ferry a CO2 sniffing satellite, the Orbiting Carbon Observatory, into space, where it will try to unlock secrets of Earth's carbon cycle. mark for My Articles similar articles
Geotimes
May 2004
Sara Pratt
Ocean Anoxia Researchers are using microfossils to date ocean anoxic events, or severe oxygen depletion in the ocean, back to 132 million years ago. The findings will open up several new avenues of inquiry including the impact of the global carbon cycle perturbation on the biosphere as a whole. mark for My Articles similar articles
Chemistry World
November 19, 2014
Rebecca Trager
Watching carbon dioxide's globetrotting New high-resolution simulations depicting how local geography affects the transport of carbon dioxide in the Earth's atmosphere have been created by NASA. mark for My Articles similar articles
Chemistry World
February 26, 2008
Lewis Brindley
Your Hair Knows Where You've Been From a single strand of hair, scientists can now determine where a person has been living recently. mark for My Articles similar articles
Chemistry World
January 28, 2009
Nina Notman
Iron helps oceans capture more carbon A team of international scientists studying the role of iron in the storage of carbon under the ocean have confirmed that natural iron fertilisation increases the rate of carbon capture. mark for My Articles similar articles
Chemistry World
May 9, 2013
Emma Stoye
Understanding defects in graphene The products of thermally exfoliating graphite oxide to make graphene are much more complex than previously thought, new research shows. mark for My Articles similar articles
Chemistry World
December 2, 2010
Laura Howes
Nanotube material retains bounce at extreme Carbon nanotubes can make a rubber like material that remains usable in a temperature range of over one thousand degrees. mark for My Articles similar articles