The Slow Death of Ecology’s Birthplace

Brazil’s cerrado has many faces: arid tablelands, open grasslands, palm-dotted marshes — though most people see it only as a dry, unruly expanse of low, twisted shrubs. As a result, this unique ecosystem where a pioneering botanist once traced the evolution of plants is in danger of being lost forever.

In the War on Zika, a Persistent Fog

I grew up in what is now the epicenter of the Zika crisis. But it was only on returning there for a recent workshop on the outbreak that it became clear to me why the response has been so slow, and why a more coordinated effort to diagnose Zika exposure quickly is still so desperately needed.