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Human viruses are like a fine chocolate truffle: It takes only one to get the full experience.

At least, that's what scientists thought a few days ago. Now a new study published Thursday is making researchers rethink how some viruses could infect animals.

A team at the U.S. Army Medical Research Institute of Infectious Diseases has found a mosquito virus that's broken up into pieces. And the mosquito needs to catch several of the pieces to get an infection.

Enormous trucks from all over the country are rolling down highways toward Baton Rouge, La.

When they get to town, their task is to clear neighborhoods where streets are lined with trash from last week's massive flood.

Baton Rouge contracted with DRC Emergency Services to handle disaster response when the floods began last week. It started out rescuing people in boats, and now that the boats are docked, trucks are coming in to handle the cleanup.

Imagine you're a teenager in Beijing in the 1960s and '70s, during the Cultural Revolution. Everything that's deemed Western and bourgeois is banned — so listening to a 78 rpm recording of Beethoven's Fifth Symphony, powerfully transformative as it might be, is off limits.

Updated at 9:10 p.m. ET with detail on limiting spam

The messaging service WhatsApp is changing its privacy policy for the first time since being bought by Facebook in 2014. The app will begin sharing some of its data and phone numbers with the social network. It will also start testing how businesses, too, can talk to its users, for instance by offering flight or shipping or banking notifications.

They've known each other for only a few months, but this love story between an Australian ultramarathoner and a Chinese stray dog has seen extraordinary highs and lows.

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In a speech Thursday in Reno, Nev., Hillary Clinton argued that Donald Trump is "helping a radical fringe" — the alt-right — take over the Republican Party.

"From the start, Donald Trump has built his campaign on prejudice and paranoia. He's taking hate groups mainstream and helping a radical fringe take over one of America's two major political parties," she said. "His disregard for the values that make our country great is profoundly dangerous."

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Last month, Here & Now spoke with a U.S. Air Force captain departing for Mongolia to compete in the world’s longest and toughest horse race. The Mongol Derby spans more than 600 miles and takes about 10 days.

Here & Now‘s Meghna Chakrabarti checks in with Capt. Tim Finley to see how he did.

Republican Presidential hopeful Donald Trump was on the campaign trail again last night, stopping in Jackson, Mississippi to rally supporters.

In his speech, he reiterated many of his economic and national security plans, and tailored many of his comments towards African-American and Hispanic voters.

Trump was also joined on stage by former U.K. Independence Party leader Nigel Farage, who was instrumental in pushing through the Brexit vote for Britain to leave the European Union.

Tribute: The Man Who Led The War To Kill Smallpox

Aug 25, 2016

"Anxious, pleading, pock-deformed faces; the ugly, penetrating odor of decaying flesh; the hands, covered with pustules, reaching out, as people begged for help .... And there was no drug, no treatment that we could give them."

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