Spike in water toxins blamed for hundreds of turtle deaths

Hundreds of small turtles have washed up dead on the eastern end of Long Island in the last month, a die-off scientists blame on waterborne toxins that have reached unprecedented levels for reasons that aren't entirely clear.

Hacking epidemics in a hyper-connected world

At the first hints of a disease outbreak, epidemiologists, health care providers, policy makers, and scientists turn to sophisticated predictive models to determine how an illness is spreading and what should be done to minimize ...

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