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  1. Why making fat is good for you

    Making new fat from food intake, as opposed to using stored fat, regulates genes important for blood sugar, fatty acid, and cholesterol concentrations.

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  2. Health & Medicine

    Us against Them

    New antibiotics may be valuable weapons in the fight against tougher bacteria.

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  3. 19553

    This article should also point out that only a very thick atmosphere could have allowed the surface temperature to be high while the radiation output from the sun was only 70 percent that at the present. J. Thomas BaylorAustin, Texas Theorists agree that the atmosphere of Mars was thicker when the planet was wetter. They’re […]

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  4. Planetary Science

    Roving on the Red Planet

    Scientists review the discoveries made by the Mars rovers after nearly 18 months on the Red Planet.