Rachel Nuwer.

Rachel Nuwer

Contributing writer

Rachel Nuwer is a freelance science journalist who regularly contributes to The New York Times, Nature, Scientific American and more. Her latest book is “I Feel Love: MDMA and the Quest for Connection in a Fractured World.” She is also adjunct professor of science journalism at New York University.

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Scientific talent is global. Access to the world’s scientific stage is not.

Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.

By Vicente Medel
3 August 2026 | 8 min read
Ground squirrel.

How thirteen-lined ground squirrels illuminate retinal development

In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.

By Sarah Thau
31 July 2026 | 5 min read