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  1. Health & Medicine

    Cheap hypertension drug works best

    An old-fashioned pill for preventing high blood pressure and some heart disease appears to work better than new, more expensive drugs.

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  2. It’s a tough job, but native bees can do it

    An organic watermelon field in California near remnants of wild land still had enough bees of North American species to pollinate a commercial crop, but habitat-poor farms didn't.

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  3. Planetary Science

    Mars reveals more frozen water

    Planetary scientists have discovered ice near the edge of Mars' south polar cap.

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  4. Archaeology

    Old legend dies hard

    People who first entered King Tutankhamen's tomb did not suffer from a legendary curse but instead lived long lives.