Rachel Nuwer is a freelance science journalist who writes for outlets such as The New York Times, the BBC and Smithsonian. She lives in Brooklyn.
This Insect’s Got Gears
The cogs allow the planthopper nymph to synchronize movement of its hind legs.
What Can We Learn From On-Screen Psychopaths?
Few psychopaths who terrorize the big screen could pass a reality check, but those who do can be used as teaching tools for aspiring psychiatrists.