Want to reduce your risk of dementia in older age? Move as much as you can.

We've all heard about techniques to get us more physically active — take the stairs, park the car a bit further from your destination, get up and march in place for a minute or two when standing or sitting at a desk.

Now a study finds even simple housework like cooking or cleaning may make a difference in brain health in our 70s and 80s.

ISIS claimed responsibility for a suicide bombing in the Syrian city of Manbij that targeted coalition troops. The Pentagon says U.S. service members suffered multiple deaths and injuries.

NPR's Mary Louise Kelly speaks with writer Paul Mason, a Labour Party supporter, about what happens next with Brexit after British Prime Minister Theresa May survived a no confidence vote Wednesday.

In the fallout of Rep. Steve King's remarks to The New York Times, journalists have been struggling over whether or not to use the word "racist" to characterize his quote.

Officials leasing the Old Post Office Building for the the Trump International Hotel in Washington improperly ignored the Constitution's anti-corruption clauses when they continued to lease the government property to President Trump even after he won the White House, according to an internal federal government watchdog.

Students and faculty at Michigan State University have called on the resignation or firing of interim president John Engler, almost from the day he was appointed. Thursday, they may get their wish.

"John Engler's reign of terror is over" tweeted MSU Board of Trustees member Brian Mosallam soon after an emergency meeting of the Board of Trustees was announced.

~~~~~https%3A%2F%2Ftwitter.com%2FBmosallam63%2Fstatus%2F1085562651495796737~~~~~~

Updated at 3:40 p.m. ET

British Prime Minister Theresa May survived a no-confidence vote in the House of Commons on Wednesday, a day after the stinging defeat there of her Brexit deal with the European Union.

In the vote, 325 lawmakers said they had confidence in May's government, while 306 voted that they did not.

While May withstood the challenge to her leadership, it is yet another indication that Brexit has thrown British politics into chaos.

The next great insect repellent might come from a strain of bacteria that lives inside a common parasitic worm.

A study published Wednesday in Science Advances has found that a compound derived from these bacteria is three times more potent than DEET in repelling mosquitoes. More research must be done to demonstrate its safety, but this bacterial chemical could play an important role in the fight against mosquito-borne illness.

The partial government shutdown is inflicting far greater damage on the U.S. economy than the Trump administration previously estimated, the White House acknowledged.

President Trump's economists have now doubled projections of how much economic growth is being lost each week.

DAVE DAVIES, HOST:

This is FRESH AIR. I'm Dave Davies in for Terry Gross, who's off this week. The nation remains gripped by a partial shutdown of the federal government, the longest in our history, over President Trump's demand for funding a border wall. Here's one of the arguments he's made for tighter restrictions on immigration.

(SOUNDBITE OF ARCHIVED RECORDING)

PRESIDENT DONALD TRUMP: We have a country. We have to have borders. We have borders. We have to have laws. We either have a country or we don't. And it's that simple.

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Act Locally Waco - January 11-17

Act Locally Waco Host Ashley Thornton highlights some of Waco's upcoming events, including Brews and Brushes and a lecture by Jemar Tisby at the Armstrong Browning Library. Both events take place January 17th. (more)

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