| http://www.w3.org/ns/prov#value | - The proportion of male births to female births (the "sex ratio) is not merely unusual, but alarming. (19 October 2007) Harbor seals may help determine effect on humans of eating toxic fish Jane Kay, San Francisco Chronicle Harbor seals in San Francisco Bay are so contaminated with chemicals such as flame retardants and the pesticide DDT that scientists are studying whether the pollutants hurt the
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