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Hasso Herschel fled East Germany in 1961 on a false passport. Over the next decade, he helped more than 1,000 East Germans flee by smuggling them through tunnels or by hiding them inside cars.

From ruby red tuna to turquoise lingcod, the fish we eat can span the color spectrum. Flesh color can also tell us something about where a fish came from, its swimming routine and what it ate.

Whether for philosophical or health reasons, pet owners are whipping up batches of pet food for their beloved animals. But veterinarians warn that these meals need to be nutritionally balanced.

Spain's dictator Francisco Franco set the country's clocks an hour ahead in World War II in order to be aligned with Hitler's Germany. Memo to Spain: the war is over, the Nazis lost and it's OK to turn back the clocks now.

Happiness, says one researcher, is the sum of many positive moments throughout the day. Something as simple as a friendly chat in the elevator can boost your mood. So put down your phone and try it.

An annual report from the U.N. humanitarian agency looks at the challenges ahead.

The Democratic National Committee elected new leadership one year ago, with many major problems to solve in the wake of a disastrous 2016 campaign for the party. Now, party leaders look at what success they have had.

Fish sticks with less fish. Lunchmeat with less meat. Central European nations say packaged foods sold there have lower quality standards than the same brands in the West. They want the EU to step in.

It's easy to think that artificial sweeteners are a health win. But a review of research finds that there's no evidence they help people lose weight, and they may be associated with other problems.

In China, for example, not only are masks required on planes but gloves are recommended — and passengers are urged not to touch their face during the flight. Here's what you'll find around the globe.