Swimmer's Itch: What causes this neglected snail-borne disease?

Cercarial dermatitis, also known as swimmer's itch or clam-digger's itch, is caused by the larvae of blood flukes that are parasites of birds or mammals. When these larvae, called cercariae, penetrate human skin, they trigger ...

The UN's 10,000-page red alert on climate change

Accelerating global warming is driving a rising tide of impacts that could cause profound human misery and ecological disaster, and there is only one way to avoid catastrophe: drastically reduce greenhouse gas emissions.

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