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Despite acorns' wide geographic range and long culinary history, few people eat them. But some fans say they're an untapped nutritional resource — if you're willing to do the work to process them.

How better ratings can help students make better decisions.

Two entrepreneurs have developed new tricks to make food that's literally illuminating, using ingredients that are as natural and unprocessed as possible. It's just basic food chemistry, folks.

The addition of the benefit by Facebook and Apple comes as tech companies face mounting pressure to hire more women, but some warn it may increase pressure those employees feel to put off having kids.

Congressional Republicans continue to call for a ban on travel from the West African nations caught up in the Ebola outbreak. The Obama administration, however, remains firm in opposing a travel ban.

Militants from the Islamic State, also known as ISIS, control about 80 percent of Iraq's Anbar Province. Joint Chiefs Chairman General Martin Dempsey says ISIS could eventually shell Baghdad Airport.

The federal budget deficit is falling sharply, but you wouldn't know it from some of the rhetoric in Washington. But Republicans caution that the downward trend line will reverse itself soon enough.

As an acoustic engineer, Trevor Cox has spent most of his career getting rid of bizarre, unwanted sounds. But in The Sound Book, Cox turns up the volume on those sonic oddities. The book explores weird echoes and unexpected noises from around the globe — including "whisper galleries" and a chirping pyramid.

Al-Qaida has gained control in an area where 1,300 U.S. troops lost their lives during the Iraq War. Troops who came home are now wondering whether it was all in vain, the Arizona Republican says. He says the total withdrawal of troops from Iraq left a vacuum that's being filled by America's enemies.

On the hit PBS Masterpiece series, the social rules the characters have always known are changing as the world events of the 20th century unfold.