Watch: Space rocks impacted this Costa Rican village in more ways than one | Science

There are treasures buried underground, like gold, silver, and diamonds—and then there is manna from heaven.

Last year, a meteorite impact in Costa Rica stirred up a frenzied hunt for the precious fragments and attracted collectors from around the world. The meteorite—a rare type known as a carbonaceous chondrite—may contain complex organic molecules that gave life on Earth a head start. To understand why, one must consider the epic journey that the meteorite, called Aguas Zarcas, took before arriving at its final destination.

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Grad students challenge university-mandated COVID-19 agreements | Science

Thu Aug 20 , 2020
Stanford University is one of the U.S. institutions asking students to sign compacts agreeing to the university’s COVID-19 policies. Kirby Lee/AP By Katie LanginAug. 20, 2020 , 3:25 PM On Saturday, Lauren Pope—a biology Ph.D. student at Stanford University—received an email detailing a “graduate student compact” she’ll be required to […]