train

Biologists have created the world’s smallest ‘train switchyard’ | Science

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U.S. Black colleges train an outsize share of physics majors—but they can’t do it all | Science

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A version of this story appeared in Science, Vol 375, Issue 6584. This story is part of a special package being published this week about the barriers Black physicists face and potential models for change. Read more C. Smith/Science Historically Black colleges and universities (HBCUs) in the United States have had outsize success in launching … Read more

A controversial train heads for the Maya rainforest | Science

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Every day at sunset, a 3-million-bat whirlwind emerges from a cave and floods the night sky of the Calakmul Biosphere Reserve. The cave—El Volcán de los Murciélagos (the Bat Volcano)—hosts at least seven bat species and is a pillar of the region’s ecosystem. Ecologist Rodrigo Medellín Legorreta of the National Autonomous University of Mexico (UNAM), … Read more