New yeast study finds strength in numbers

Article Abstract:

A Tulane Univ study suggested that environmental pollutants that mimic the human hormone estrogen, such as PCBs and pesticides, may work in combination to cause breast cancer, low sperm count, and prostate cancer. Critics have long believed pollutant levels are not high enough to cause cancer.

Health aspects, Environmental aspects, Prostate cancer, Breast cancer, Polychlorinated biphenyls, Pollutants, Estrogen, Estrogens

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Biophysicists re-establish a Chilean research tradition

Article Abstract:

Harvard-educated biophysicist Ramon Latorre has done much to re-establish the field of ion channel research in Chile. The field was decimated following the 1973 coup, which resulted in the cutting of university budgets and the persecution of some professors.

Chile, Influence, Science and technology policy, Biophysics, Latorre, Ramone

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Supercritical solvent comes into its own

Article Abstract:

Chemical researchers have developed a surfactant that can improve the ability of carbon dioxide to dissolve greasy molecules. The discovery may lead to the use of liquid carbon dioxide as an environmentally friendly industrial solvent.

Research, Surface active agents, Solvents, Liquid carbon dioxide

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