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Geotimes September 2004 Sara Pratt |
Magnetic Murals Geophysicists and archaeologists are using the record of Earth's magnetic field, fixed in the red pigments of those murals, to build a historical timeline for Mesoamerica using the colorful ancient murals hidden inside Mexican temples. |
Geotimes September 2004 Megan Sever |
Slower Cooling in Oregon New research suggests that the climate in Oregon slowly cooled over 6 million years as a result of evolving grasslands pulling carbon dioxide out of the air and locking the carbon into the soil. |
Geotimes August 2004 Jay Chapman |
Fossil Fetus of Flying Reptile Unearthed The Liaoning specimens were located in lake deposits that were periodically smothered by volcanic ash, preserving the fossils in fine detail. The depth and quality of this fossil resource will continue to make Liaoning a paleontology hot spot in the future. |
Geotimes August 2004 Sara Pratt |
Burrowing K/T Survivors When it comes to the mass extinction that marked the Cretaceous/Tertiary (K/T) boundary 65 million years ago, what it all came down to, researchers say, is that only those who hid had a chance to survive. |
Adventure August 2004 Lolly Merrell |
The Vanishing World of Lonnie Thompson A secret history of the world's climate, including global warming, is buried deep inside glaciers atop the world's tallest peaks. But as temperatures rise, those records are melting. One paleontologist/climatologist is racing to preserve a crucial piece of our past- in his freezer. |
Reason July 2004 Steven Vincent |
Grave Injustice Federal laws about burial remains put politics before science. |
Science News July 3, 2004 Janet Raloff |
A Maize-ing Travels Scientists trace the long road that maize took from the New World to Asia. |
Geotimes July 2004 Megan Sever |
Possible P/T Impact Crater A group of scientists now says they have uncovered a crater that may be responsible for the mass extinction at the end of the Permian, and their results are inciting a new flurry of controversy. |
Geotimes July 2004 Megan Sever |
Shedding Light on Ancient Molting Now, for the first time ever, scientists have tangible evidence that ancient arthropods shed their skins: a molting arthropod fossilized in shale. |
Geotimes June 2004 Jay Chapman |
Evidence for Impact Winter at K/T Boundary Scientist and co-workers hope their research will revitalize interest in the impact-winter hypothesis and help resolve some of the questions swirling around the Cretaceous-Tertiary (K/T) mass extinction theory. |
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