The water supply for communities in the Canadian province of Saskatchewan is threatened by an oil spill that dumped an estimated 66,000 gallons of heavy oil, along with natural gas used to dilute it, into a major river.

The pipeline that broke is owned by Husky Energy Inc., the site of the last Thursday's leak is within 1,000 feet of the North Saskatchewan River.

It was hot at the National Zoo in Washington, D.C., this weekend. Really hot. The iPhone weather app displayed a sweltering 100 degrees.

"It feels like a million degrees," says Tammy Long, who was visiting from Pennsylvania with her husband and 2-year-old daughter. "It's sweltering out here."

Parents and kids crowd under what look like giant shower heads throughout the park. Cool mist covers them from head to toe.

Families camp out in the shade, many with ice cream in their hands. Craig Saffoe says this works for the lions and tigers, too.

Verizon is buying Yahoo for $4.8 billion, acquiring its "core Internet assets" — search, email, finance, news, sports, Tumblr, Flickr — in essence writing the final chapter of one of the longest-running Internet companies.

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

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

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

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

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

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

A 12-year-old boy named Strazh hangs from the monkey bars, staring at the ground. The other kids in the park in San Francisco aren't interested in him. And he's not interested in them.

"I just like to play by myself," he says.

Strazh has autism. Today is a good day. But on most others, Strazh has meltdowns. Something frustrates him and he can't control his emotions.

"I sometimes end up screaming," he says. "And I end up yelling and screaming."

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