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A Marquette University scientist slogged through more than 200 rice varieties to find the most promising few; he then subjected those to real Wisconsin weather on rooftop paddies outside his lab.

Pope Francis arrives in New York Thursday evening for the second leg of his historic visit to the United States.

In October representatives for fifty-four nations gathered in Chile to commit resources to protecting the oceans. Next month in Paris, many of those same…

The snack company Mondelez International says it's perfecting a process to make chocolate that won't melt — even in temperatures above 100 degrees. The Deerfield, Ill., company says this new innovation will help it sell chocolate in emerging markets with hot climates and limited refrigeration, like sub Saharan Africa.

European scientists were alarmed in 2008 when they discovered streams of methane bubbles erupting from the seafloor in Norway's high Arctic. This gas, which contributes to global warming, was apparently coming from methane ice on the seafloor. A follow-up study finds that methane bubble plumes at this location have probably been forming for a few thousand years, so they are not the result of human-induced climate change. But continued warming of ocean water can trigger more methane releases in the Arctic, with potentially serious consequences to the climate.

Michael Specter explores why some deny scientific evidence — such as the safety of vaccines and GMOs, or climate change. He says denying can provide a sense of control in an unsure world.

Jad Abumrad reports on a recent controversy at Columbia University's Journalism School that has sparked a larger debate over the future of the news business. The university's new president Lee Bollinger has questioned the hands-on emphasis of the school's curriculum, concerned that skills training may be denying students exposure to the theory-driven side of journalism. But faculty insist that they offer students a complete education, and argue that the climate in today's professional press make practical training a must.

The shortest day ever recorded was June 29, and it was shorter than a typical 24 hours by 1.59 milliseconds. Some scientists say its climate change, others say maybe it's because of earthquakes.

U.S. automakers say the types of vehicles that will get more miles per gallon of gas have features that consumers tend to shun, including four-cylinder engines and stick shifts. The Senate is set to debate new energy legislation, and a major issue is how much to raise fuel economy standards for cars and trucks in order to fight climate change.

Producers say poor crop yields in the face of climate change in West Africa — where 70% of the cocoa supply is grown — is to blame. Chocolate makers are raising prices; others are shrinking candies.