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Urban fish show perturbed spawning cycle
Sediment-dwelling fish off Seattle's waterfront exhibit spawning abnormalities that may compromise their ability to reproduce successfully.
- Earth
Is Teddy a pollution magnet?
Stuffed toys can accumulate high concentrations of potentially toxic air pollutants.
- Ecosystems
Feminized cod on the high seas
Male cod in the open ocean are producing an egg-yolk protein ordinarily made only by females, signaling their potential exposure to estrogen-mimicking pollutants.
- Earth
Elevated pesticide threatens amphibians
The survival of certain mountain-dwelling amphibians may be threatened by toxic pesticides that are blown uphill from distant agricultural lands in California's Central Valley.
