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Secretary of Agriculture Sonny Perdue, shown here on Capitol Hill in April, announced last month that most staff from two USDA research agencies were being relocated to the Kansas City region. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Diver swimming over Elkhorn Coral in the Florida Keys. Elevated nutrients as well as elevated temperatures are causing a massive loss of this iconic branching species in Florida. JW Porter/University of Georgia hide caption

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JW Porter/University of Georgia

Florida's Corals Are Dying Off, But It's Not All Due To Climate Change, Study Says

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Container ships and other maritime vessels currently run on pollutant-intensive heavy fuel oil. The world's largest container-shipping company, Maersk, has promised to make its operations zero carbon by 2050. Doing so will require using new fuels such as hydrogen. John Greim/LightRocket via Getty Images hide caption

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John Greim/LightRocket via Getty Images

The Dawn Of Low-Carbon Shipping

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(Left) The Apollo 11 command and service modules are mated to the Saturn V lunar module adapter. (Right) The Apollo 11 spacecraft command module is loaded aboard a Super Guppy aircraft at Ellington Air Force Base for shipment to North American Rockwell Corp. NASA hide caption

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NASA
NPR

VIDEO: Move Objects With Your Mind? We're Getting There, With The Help Of An Armband

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Native Hawaiians have objected to construction of the Thirty Meter Telescope for years. On Monday, about 300 protesters arrived to block workers from accessing the site on a mountain believed to be sacred land. TMT via AP hide caption

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TMT via AP

Our voices convey so much more than just information. They can tell other people something essential about who we are. Angela Hsieh hide caption

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Angela Hsieh

Astronaut Alan L. Bean holds a container filled with lunar soil collected during the extravehicular activity in which astronauts Charles Conrad Jr., commander, and Bean, lunar module pilot, participated. Charles Conrad Jr./NASA hide caption

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Charles Conrad Jr./NASA

Dr. Mary Rice walks with Michael Howard at a Beth Israel Deaconess HealthCare clinic in Chealsea, Mass, as they test his oxygen levels with the addition of oxygen from a portable tank. He has COPD, a progressive lung disease that can be exacerbated by heat and humidity. Jesse Costa/WBUR hide caption

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Jesse Costa/WBUR

Has Your Doctor Talked To You About Climate Change?

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Flashpop/Getty Images

The Best Medicine: Decoding The Hidden Meanings Of Laughter

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During one experiment, the poker bot Pluribus played against five professional players. It won. Facebook AI Research hide caption

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Facebook AI Research

Bet On The Bot: AI Beats The Professionals At 6-Player Texas Hold 'Em

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