Christine Darden in the control room of NASA Langley's Unitary Plan Wind Tunnel in 1975.
Christine Darden in the control room of NASA Langley's Unitary Plan Wind Tunnel in 1975. NASA
Christine Darden in the control room of NASA Langley's Unitary Plan Wind Tunnel in 1975. NASA

Meet another 'Hidden Figure,' whose love of geometry took her to NASA

February 03, 2017 10:50 AM

UPDATED February 04, 2017 10:22 AM

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  • When is a background check mandatory for gun owners?

    The Brady Act made background checks a requirement for guns purchased through licensed dealers. Here’s a brief look at how the current system works.