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Republican presidential candidate Ted Cruz is barnstorming across Iowa, where his appeal to evangelical voters is making him a threat to GOP front-runner Donald Trump in the first caucus state.

The parasitic varroa mite has been wiping out honeybee colonies globally since the late '80s. Now scientists and beekeepers have teamed up to selectively breed bees with a unique, mite-fighting trait.

Robots may be in our future, but the future isn't quite here.

It's paid paternity leave, which is the law in an increasing number of low- and middle-income countries, but not in the U.S. Research shows that time off for pops can provide lasting benefits.

Two exit polls show Prime Minister Benjamin Netanyahu's Likud party and Isaac Herzog's Zionist Union each with 27 seats in the Knesset. Another shows Likud with 28 and the Zionist Union with 27.

Restaurants are using disposable cutlery and plates. Residents only have water for a few hours. Food prices are soaring. Now, Sao Paulo faces draconian rationing of up to five days a week.

The World Health Organization failed to respond quickly and effectively to the outbreak in West Africa. Now the agency is proposing a new structure. But change could prove difficult.

On the shores of Lake Superior, a man built an unusual ice sculpture using a unique robotic sprayer system. But after warm weather caused its collapse, the sculptor is determined to rebuild.

Gov. Chris Christie is defending the state's $225 million settlement for decades of contamination at two refineries as a "good deal." But Democratic lawmakers and environmentalists say otherwise.

While Darren Wilson will avoid federal charges for the death of Michael Brown, the Justice Department did find racial bias in the Ferguson, Mo., police and justice system.