Search Results for: Algae
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Red Snow, Green Snow
It's truly spring when those last white drifts go technicolor as algae bloom in the snow.
By Susan Milius -
Chemistry
Power plants: Algae churn out hydrogen
Green algae can produce hydrogen, a clean-burning fuel that could one day power pollution-free cars.
By Corinna Wu -
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.
By Janet Raloff -
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 […]
By Science News -
Humans
Science News of the Year 2004
A review of important scientific achievements reported in Science News during the year 2004.
By Science News -
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.
By Janet Raloff -
Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
By Science News -
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.
By Janet Raloff -
Earth
Algae Turn Fish into a Lethal Lunch
Scientists demonstrated that some marine mammals have died from eating fish tainted with a neurotoxic diatom.
By Janet Raloff -
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.
By Sid Perkins -
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.
By Janet Raloff -
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 […]
By Science News