Mars Express Sees Deep Fractures on Mars Newly released images from the European Space Agency’s Mars Express show Nili Fossae, a system of deep fractures around the giant Isidis impact basin. Some of these incisions into the martian crust are up to 500 m deep and probably formed at the same time as the basin. [...]
Spitzer Detects Shadow of ‘Super-Earth’ in Front of Nearby Star NASA’s Spitzer Space Telescope has detected the crossing of a solid planet in front of a star located at only 42 light-years in the constellation Cancer. Thanks to this detection, astronomers know that this “super-Earth” measures 2.1 times the size of our Earth. This is [...]
Global Warming Won’t Harm Wind Energy Production The production of wind energy in the U.S. over the next 30-50 years will be largely unaffected by upward changes in global temperature, say a pair of Indiana University Bloomington scientists who analyzed output from several regional climate models to assess future wind patterns in America’s lower 48 [...]
Saving the Asiatic Wild Ass in the Mongolian Gobi Considerable attention is currently being paid to the conservation of migratory birds, as such species may face threats not only in their breeding and wintering areas but also en route between them. But many mammals are also migratory and because most of them are unable to [...]
Geologists Solve Mystery of the Colorado Plateau A team of scientists led by Rice University has figured out why the Colorado Plateau — a 130,000-square-mile region that straddles Colorado, Utah, Arizona and New Mexico — is rising even while parts of its lower crust appear to be falling. The massive, tectonically stable region of the [...]
Earth Recovered from Prehistoric Global Warming Faster Earth may be able to recover from rising carbon dioxide emissions faster than previously thought, according to evidence from a prehistoric event analyzed by a Purdue University-led team. When faced with high levels of atmospheric carbon dioxide and rising temperatures 56 million years ago, Earth increased its ability [...]
Shocking Environment of Hot Jupiters Jupiter-like worlds around other stars push shock waves ahead of them, according to a team of UK astronomers. Just as Earth’s magnetic “bow-shock” protects us from the high-energy solar wind, these planetary shocks protect their atmospheres from their star’s damaging emissions. Team member Dr Aline Vidotto of the University of [...]
Successful Blueprints Are Recycled by Evolution During the development of an embryo, a large number of different, specialised cell-types arise from the fertilised egg. The genetic information is identical in all cells of an organism. Different properties of cells arise because the activity of genes is controlled and regulated by so called transcription factors. By [...]
Hydrocarbons Deep Within Earth: New Computational Study Reveals A new computational study published in the Proceedings of the National Academy of Sciences reveals how hydrocarbons may be formed from methane in deep Earth at extreme pressures and temperatures. The thermodynamic and kinetic properties of hydrocarbons at high pressures and temperatures are important for understanding carbon [...]
Online Calculator Allows Households to Track Carbon Footprint Tips to reduce your carbon footprint frequently include buying compact florescent light bulbs, taking your own bag to the grocery store or buying local produce. But how much difference do these actions make? A new study by researchers at the University of California, Berkeley, suggests that who [...]
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