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Latest Tyrone Hayes Stories

Herbicide Spurs Reproductive Problems In Many Animals
2011-11-29 04:19:57

An international team of researchers has reviewed the evidence linking exposure to atrazine — an herbicide widely used in the U.S. and more than 60 other nations — to reproductive problems in animals. The team found consistent patterns of reproductive dysfunction in amphibians, fish, reptiles and mammals exposed to the chemical. Atrazine is the second-most widely used herbicide in the U.S. More than 75 million pounds of it are applied to corn and other crops, and it is the most...

2010-03-01 16:16:00

WASHINGTON, March 1 /PRNewswire/ -- Alex Avery, Director of Research and Education at the Hudson Institute's Center for Global Food Issues, criticized new research by University of California Berkeley professor Dr. Tyrone Hayes alleging endocrine disruption in amphibians caused by the popular herbicide atrazine. Prior research by Dr. Hayes has come under scientific scrutiny and criticism by directors of the Environmental Protection Agency (EPA) for lacking basic scientific standards and...

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2010-03-01 15:35:32

Atrazine, one of the world's most widely used pesticides, wreaks havoc with the sex lives of adult male frogs, emasculating three-quarters of them and turning one in 10 into females, according to a new study by University of California, Berkeley, biologists. The 75 percent that are chemically castrated are essentially "dead" because of their inability to reproduce in the wild, reports UC Berkeley's Tyrone B. Hayes, professor of integrative biology. "These male frogs are missing testosterone...

2009-04-21 07:02:00

ST. LOUIS, April 21 /PRNewswire/ -- For Steve Tillery of the law firm of Korein Tillery, the threat of the herbicide Atrazine to our environment and the health of every citizen of America is a cause he's ready to take on. "This issue is much bigger than a case in a court of law. This issue belongs in the court of Public Opinion; the people deserve and have a right to demand clean and uncontaminated water. Any compromise to that right is unacceptable," Tillery says. Tillery is referring to...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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