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This primary season Oklahoma educators are running for state office in record numbers. The nearly 40 teachers and principals say they're fed up with low funding, over-testing and teacher shortages.

Airs Wednesday, Jan. 1, 2019 at 8 p.m. on KPBS TV

Having a child who won't sleep can drive parents to distraction. But a study suggests that a parent's sleep issues play a role, too.

Ancient people in the American Southwest and Mexican Northwest were drinking cacao and tea-like yaupon in places where neither grew. That suggests an extensive trade network to deliver a caffeine fix.

President Bashar Assad's election victory is another sign that exiled Syrian activists may never safely go home. One activist compares it to the fate of the time-traveling, British TV cult hero.

As the New Horizons spacecraft arrives at Pluto, here are nine songs inspired by the controversial dwarf planet.

Multiple studies have found that rice-based foods contain traces of arsenic. Now a study finds babies fed rice cereals and other rice-based snacks have higher concentrations of arsenic in their urine.

The advice for avoiding Zika virus: Don't get bitten by mosquitoes in countries where the virus is spreading. So which repellents work — and which don't?

Fisherman Kirk Lombard's new book teaches people to fish and forage along the northern California coast, while urging them to harvest in moderation, follow regulations and respect sea creatures.

Just days ago the research vessel the "Roger Revelle" returned to its homeport of San Diego after six years of hosting scientific research spanning the globe. Science teams studied everything from meteorology to geology to climate change.