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Shots fired, driver arrested in incident at U.S. Capitol

US Capitol Police have arrested a female motorist who hit a police cruiser and tried to run over several officers at a checkpoint on Capitol Hill in Washington, DC, local media reported. Several shots were fired but no one was injured.

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Scientists Hack a Human Cell and Reprogram It Like a Computer

A cell could be programmed, for example, with a so-called NOT logic gate. This is one of the simplest logic instructions: Do NOT do something whenever you receive the trigger. This study’s authors used this function to create cells that light up on command. Biologist Wilson Wong of Boston University, who led the research, refers to these engineered cells as “genetic circuits.”