The neurobiologist Erich Jarvis studies the few species capable of speech. He has long hoped to genetically engineer an ...
Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...
Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. Even some young people now regard age 25 as a turning point with seemingly magical properties. In one ...
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