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Olutosin Oduwole was in his dorm room at Southern Illinois University when police knocked on his door one day in 2007. They were there to arrest him.

"In my mind I'm thinking, 'Okay, maybe a warrant for a ticket.' I really didn't know what was going on," he says.

What was going on was that the police suspected that Olutosin, a college student and aspiring rapper, was on the brink of committing a Virginia Tech-style mass shooting on his campus. He was soon charged with attempting to make a terrorist threat, and was eventually convicted and sent to prison.

Dog owners often say the best thing about dogs is their unconditional love.

But new research suggests there's another benefit, too. Dog owners walk more.

In a study published Monday in the journal BMC Public Health, dog owners on average walked 22 minutes more per day compared to people who didn't own a dog.

And they weren't just dawdling.

Updated at 6:20 p.m. ET

The 9th U.S. Circuit Court of Appeals has ruled that a preliminary injunction blocking President Trump's travel ban should remain in effect, at least for now. It's the second appeals court decision in less than a month to maintain a nationwide stay on the ban.

Neuroscience isn't on many elementary school lesson plans. But this spring, a second grade class at Fairmont Neighborhood School in the South Bronx is plunging in.

Sarah Wechsler, an instructional coach with wide eyes and a marathoner's energy, asks the students to think about the development and progress that they've made already in their lives.

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