A new study reveals that raising oxygen tension during weeks four to six of brain organoid development significantly promotes neurogenesis, guided by the oxygen-binding protein neuroglobin.

Charles Lenny Lunn — a Maryland man with autism who can’t speak — paints and taps out poems. His work will be exhibited at a D.C. gallery beginning May 17.

Showers. A chance of thunderstorms this morning then thunderstorms likely this afternoon. Near steady temperature in the mid 70s. North winds 5 to 10 mph. Chance of rain 90 percent. Mostly cloudy.