Search Results for: Algae

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1,393 results
  1. Red Snow, Green Snow

    It's truly spring when those last white drifts go technicolor as algae bloom in the snow.

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  2. Chemistry

    Power plants: Algae churn out hydrogen

    Green algae can produce hydrogen, a clean-burning fuel that could one day power pollution-free cars.

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  3. Earth

    Taming Toxic Tides

    A growing international cadre of scientists is exploring a simple strategy for controlling toxic algal blooms: flinging dirt to sweep the algae from the water.

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  4. Humans

    From the September 23, 1933, issue

    LEAFY SUCCULENTS SOLVE PROBLEM SET BY DESERT Desert plants have a particularly hard problem to solve, set by that old Sphinx, the desert itself, and if they fail to solve it, the penalty is the same as that exacted in the old Greek myth–they must die. They must spread a sufficient chlorophyll surface to the […]

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  5. Humans

    Science News of the Year 2004

    A review of important scientific achievements reported in Science News during the year 2004.

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  6. Health & Medicine

    Heart drug derails algal toxin

    A drug for treating high cholesterol might someday find use relieving the debilitating symptoms of poisoning from some algal toxins.

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  7. Humans

    Science News of the Year 2000

    A review of important scientific achievements reported in Science News during the year 2000.

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  8. Earth

    Limiting Dead Zones

    To limit algal blooms and the development of fishless dead zones in coastal waters, farmers and other sources of nitrate are investigating novel strategies to control nitrate runoff.

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  9. Earth

    Algae Turn Fish into a Lethal Lunch

    Scientists demonstrated that some marine mammals have died from eating fish tainted with a neurotoxic diatom.

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  10. Earth

    For European lakes, how clean is clean enough?

    New research on lakes in Denmark suggests that agriculture has been affecting water quality there for more than 5,000 years.

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  11. Earth

    Algal bloom is smothering Florida coral

    The anomalous growth of a native alga—now blanketing the seabed in a huge swath off the southern coast of Florida—points to overfertilization with upwelling sewage.

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  12. 19207

    The negotiators of the global persistent organic pollutants (POPs) treaty will include country-specific exemptions for continued use of DDT for malaria control in the approximately two dozen countries still using it. Nevertheless, your article also notes that DDT may soon be unavailable in many malaria-stricken regions. To address this concern, countries should consider some form […]

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