Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water on the planet ...
Earth Sciences
Apr 6, 2010
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A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express,, by measuring how the surface of a tooth responds ...
Optics & Photonics
Aug 18, 2009
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Scientists have discovered that calcium plays a significant role in enhancing the resistance of potato plants to bacterial wilt. This disease causes worldwide losses of potatoes costing $19 billion per year. The findings ...
Cell & Microbiology
May 1, 2024
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High-tunnel growing systems, sometimes called hoop houses, have gained popularity for their ability to enhance growth conditions and extend the growing season of horticultural crops. Now, a team led by Penn State researchers ...
Agriculture
Apr 17, 2024
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A team led by Prof. Wu Zhongqing from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has predicted the thermal conductivity of bridgmanite and post-perovskite at high pressure ...
Earth Sciences
Oct 17, 2023
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A diet including a carefully selected assortment of microgreens may help address an individual's nutritional deficiencies, according to a Penn State researcher who led an international team that evaluated the mineral content ...
Agriculture
Aug 30, 2023
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A nonprofit group, Carbon Mapper, will use data from NASA's EMIT mission, plus current airborne and future satellite instruments, to survey waste sites for methane emissions.
Earth Sciences
Dec 15, 2022
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Pyroxenes are a major group of rock-forming silicate minerals that generally contain calcium, magnesium, and iron. Given their abundance, elucidating the physical properties of pyroxenes is deemed vital in the study of rocks ...
Earth Sciences
Oct 20, 2022
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The world is producing more food than ever before, yet millions of Africans still lack proper nutrition. Focusing on the potential of African crops to help combat malnutrition on the African continent, the EU-funded InnoFoodAfrica ...
Agriculture
Sep 14, 2022
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Forensic researchers at North Carolina State University have found a more accurate way to assess an individual's age at death, based on the bone mineral density of the femur. The technique could be used to help identify human ...
Biochemistry
Jan 23, 2018
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