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Using machine learning and artificial intelligence, researchers hope to document — and later recreate — historical scents and smell-scapes from as far back as the 16th century.

No one knows for sure right now how many of the estimated 14 million people who buy their own coverage are getting cancellation notices, but the numbers appear to be big. Some insurers report discontinuing 20 percent of their individual business, while other insurers have notified up to 80 percent of policyholders that they will have to change plans.

Supporters of the product say they help quit smoking. Opponents maintain it's a gateway to cigarettes. Both groups are making their case to the Food and Drug Administration, which is studying the flavored melt-in-your-mouth products.

Japan has long been a friendly place for smokers. Despite tens of billions of dollars in cigarette-related health costs and damages, anti-smoking initiatives have always had trouble gaining traction.

The giant remittances economy has been expanding for years. Facing tighter regulations, big banks are nixing services that let people send money across borders.

Anton Troianovski of The Wall Street Journal just left Ukraine and is now in Moscow. He speaks to Audie Cornish about continued clashes in Ukraine and reports that Russia is amassing troops along the border.

Scientists have found what they say is the world's oldest bed: a 77,000-year-old grass and leaf mattress in a cave in South Africa. And the people who made it were crafty: Atop layers of sedge grass were leaves from a plant known to repel insects — key for living in buggy, dank caves.

Selfies aren't only for posting pictures of yourself. For people who suffer from Cotard's Delusion, in which a person believes they're dead, those self-taken pictures can be part of a cure.

Between 16,000 and 20,000 people were evacuated from the area around the volcano on St. Vincent. Some evacuees are with family and friends; others are fleeing the island entirely.

Protests in eastern Ukraine are the focal point of the country's crisis with implications that stretch beyond its borders. Yet life in most of Donetsk seems untouched by the turmoil.