Beyond Sightseeing: You'll Love The Sound Of America's Best Parks

Every place has its own sound. A small group of scientists is hard at work recording the natural sounds of national parks all across the U.S. — more than 70 soundscapes so far.For our series on the centennial of the national parks, we traveled to Colorado, to find out how they create these portraits of sound.First Lesson: It's Very Hard To Escape The Sound Of Humans.We started at Colorado's Great Sand Dunes National Park and Preserve. The dunes loom into view like a 30-square-mile patch of...
Read More

Two suicide bombers attacked a convoy of buses carrying Afghan police trainees, killing at least 30 people, according to reports from The Associated Press and Reuters.

The attack occurred about 12 miles west of Kabul, the AP says, citing Paghman district governor Mousa Rahmati. More than two dozen police trainees died, as well as four civilians, the AP says.

The Taliban has claimed responsibility for the bombings.

The attack involved two explosions, Rahmati told the AP.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Boris Johnson, who was widely considered a top candidate for U.K. prime minister once David Cameron steps down, has announced he will not be seeking the position.

The former mayor of London was a vocal proponent of the Brexit, and is a popular political figure — widely referred to as just "Boris."

He, like Cameron, is a member of the U.K.'s conservative party, which controls the British parliament; the party's members will be choosing Cameron's replacement over the course of this summer.

Cat Causes Flood Damage At Humane Society

41 minutes ago
Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Donald Trump has staked his brand on winning. "We will have so much winning," he has said in this campaign, "if I get elected, that you may get bored with winning."

But can he win the presidential election? In a country that has changed rapidly demographically, Trump's best shot is to drive up turnout among white voters, especially white men. But how likely is that?

Copyright 2016 NPR. To see more, visit NPR.

After some 10,000 online tutorials in 10 years, Sal Khan still starts most days at his office desk in Silicon Valley, recording himself solving math problems for his Khan Academy YouTube channel.

"OK, let F of X equal A times X to the N plus," he says cheerfully as he begins his latest.

Khan Academy has helped millions of people around the world — perhaps hundreds of millions — learn math, science and other subjects for free.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Pages