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Oceans

How some sunscreens damage coral reefs

In lab experiments, sea anemones and coral turned oxybenzone into a toxin activated by light. But helpful algae may provide a layer of protection.

Neuroscience

A very specific kind of brain cell dies off in people with Parkinson’s

Of out 10 kinds of dopamine-making nerve cells, only one type is extra vulnerable in Parkinson’s disease.

Climate

How much does eating meat affect nations’ greenhouse gas emissions?

How much meat eating affects worldwide greenhouse gas emissions comes clear in new country-by-country analyses.

Archaeology

Ancient ‘smellscapes’ are wafting out of artifacts and old texts

In studying and reviving long-ago scents, archaeologists aim to understand how people experienced, and interpreted, their worlds through smell.