Good morning and welcome to Kid News. I'm Tori. Today is Wednesday, January 8th, 2020.

And we begin with a high-flying vacation and an ocean splashdown for three dozen mighty mice.

The genetically modified rodents wrote a SpaceX capsule back to Earth yesterday

following a month in orbit aboard the International Space Station.

Before they were sent skyward, researchers engineered them to have twice their normal

muscle mass.

Now that they're back, they'll be weighed and measured to help scientists understand how to prevent physical changes to astronauts during space flight, especially for those on longer missions.

Their findings will also be valuable in understanding muscle and bone

deterioration in the elderly and others with certain medical conditions. Fewer ads in your favorite content.

That's the upshot of some stiff new rules rolled out by the world's number one site for videos.

As of the new year, YouTube stopped allowing advertisers to collect the personal

information of young viewers, information that was routinely used to pepper

them with a steady stream of ads and pop-ups. Privacy experts call it a big win for kids.

Those who make the videos aren't happy.

They say limiting ads will limit their ability to make money.

The hustle and bustle is back in the nation's capital.

After a long holiday break, Senators and representatives returned to the halls of Congress this week with two big issues facing

them.

Tension in the Middle Eastern nation of Iran and questions over when the impeachment trial

of President Trump will begin in the Senate.

Those two problems have pretty much pushed the 2020 election to the back burner, even though

the Iowa Caucasus, which are the first big test of a presidential candidate's chances, are only 26 days away.

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