First, the frogs died. Then people got sick.

Conservation biologist Brian Gratwicke searches with his team for frogs in Altos de Campana National Park in Panama. Nate ...

Explore the ways animals and plants protect human health and what’s at stake when species are endangered.

You’ve heard the slogans: save the whales, protect our pollinators. You may have lamented the decline of polar bears or the last of the northern white rhinos. But scientists are only beginning to ...