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Prospects for suppressing dengue transmission by means of biological agents.

A biological agent that would most effectively reduce risk of dengue transmission would act against the adult stage of the vector mosquito. Beyond anecdotal references to swallows, dragonflies and ants, however, no biological agent has yet been developed specifically for use against a domestic vector of an arbovirus.


Spiders Reduce Risks, Increase Yields for China's Farmers

Worldwide, about a million people are poisoned by pesticides each year; ten thousand of these victims die from such poisonings. The risks are greatest in developing countries. Ninety-nine percent of the deaths caused by agricultural chemicals occur in those countries.


The Delbuoy, a low-cost, low maintenance, wave-powered desalination unit

When Michael Pleass began to try to find an inexpensive and simple method for desalinating water, his attention was drawn to a third kind of renewable energy, one that had received less focus than solar and wind.


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