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This Tiny Fish Makes an Ear-Blasting Screech for Love

This Tiny Fish Makes an Ear-Blasting Screech for Love A rice-grain-size fish screams louder than a jackhammer—and we have a lot to learn from its minuscule brain By Elizabeth Anne Brown Danionella cerebrum is transparent from birth—and incredibly loud. Dave…

Boom’s XB-1 cleared for supersonic test flights

Boom has been given permission to go supersonic by the US FAA. The first-ever Special Flight Authorization (SFA) to Exceed Mach means the company’s XB-1 prototype will be allowed to break the sound barrier during its test flights. So far,…