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A Univision commentator's racist remarks about Michelle Obama reveal an ugly truth about Latin American culture: It's really racist.

Want to impress the guests at your local Pi Day celebration this Saturday (3/14/15, hopefully at 9:26)? Pick up some tidbits of mathematical trivia from Keith Devlin.

Kernza is a kind of grassy wheat that traps more carbon in the soil than crops like wheat and rice. Now, a West Coast brewery is using the grain in its new beer called Long Root Ale.

Airs Saturday, January 31, 2015 at 10 a.m. on KPBS TV

An Environmental education conference in San Diego is focusing on teaching the facts not the politics of the environment.

Midday producer Patty Lane says "Bring it!"

Scientists say, "our results suggest that ritual killing helped humans transition from the small egalitarian groups of our ancestors, to the large stratified societies we live in today."

A lover of cars since he was a little tyke who later trained as a sculptor, Ed Welburn has shaped the physical world we live in as the longtime head of design for General Motors.

A returned space capsule was opened to reveal frozen gecko remains inside, disappointing scientists. On the bright side, the fruit flies that were aboard made it.

The vaccine is already showing up in drugstores, but maybe wait until Halloween to get the shot, doctors say, especially if you're over 65 and want to be protected against flu this winter.