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Man-made phosphorus pollution is reaching dangerously high levels in freshwater basins around the world, according to new research.

Once abundant in Southern California, the foothill yellow-legged frog inexplicably vanished from the region sometime between the late 1960s and early 1970s. The reasons behind its rapid extinction have been an ecological mystery.

Your grandmother’s insistence that you receive more bug bites because you’re ‘sweeter’ may not be that far-fetched after all, according to pioneering research from Virginia Tech scientists.

MIT researchers have devised a miniaturized system that can deliver tiny quantities of medicine to brain regions as small as 1 cubic millimeter. This type of targeted dosing could make it possible to treat diseases that affect very specific brain circuits, without interfering with the normal function of the rest of the brain, the researchers say.

In both cell cultures and mouse models, a drug used to treat Hepatitis C effectively protected and rescued neural cells infected by the Zika virus — and blocked transmission of the virus to mouse fetuses.