Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
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In an analysis1 of commercially available mineral waters, the researchers found evidence of estrogenic compounds leaching out of the plastic packaging into the water. What's more, these chemicals are potent in vivo and result ...
Environment
Mar 26, 2009
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Researchers at the Keck School of Medicine of the University of Southern California (USC) have discovered key processes by which estrogen, the female sex hormone, activates genes in breast-cancer cells. Greater understanding ...
Biochemistry
Nov 15, 2011
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Colin Saldanha, a biology professor at American University in Washington, D.C., has always been intrigued by the hormone estrogen. Specifically, how the hormone that does so much (for example, it promotes sexual behavior ...
Plants & Animals
Jan 3, 2012
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Wastewater from large dairy farms contains significant concentrations of estrogenic hormones that can persist for months or even years, researchers report in a new study. In the absence of oxygen, the estrogens rapidly convert ...
Environment
Jun 5, 2012
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Endocrine disrupting chemicals (EDCs) have been implicated in the development of obesity, diabetes and cancer and are found in a wide array of products including pesticides, plastics and pharmaceuticals. EDCs are potentially ...
Biochemistry
Jan 11, 2017
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Contrary to popular belief, birth control pills account for less than 1 percent of the estrogens found in the nation's drinking water supplies, scientists have concluded in an analysis of studies published on the topic. Their ...
Environment
Dec 8, 2010
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Intersex in smallmouth and largemouth basses is widespread in numerous river basins throughout the United States is the major finding of the most comprehensive and large-scale evaluation of the condition, according to U.S. ...
Ecology
Sep 14, 2009
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A group led by Professor Kazuyoshi Tsutsui and Research Associate Takayoshi Ubuka, of the Waseda University Center for Advanced Biomedical Sciences, has discovered a hormonal mechanism for controlling aggressiveness in male ...
Plants & Animals
Jan 29, 2014
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Stress is as bad for cells as it is for people, but scientists have had a hard time devising ways to study its effects on cells without killing them.
Biochemistry
Sep 22, 2014
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