Anya Kamenetz is an NPR education correspondent, a host of Life Kit and author of The Art Of Screen Time. This story draws from the book and recent reporting for Life Kit's guide, Parenting: Screen Time And Your Family.

Elise Potts picked up her 17-month-old daughter, Eliza, from daycare recently. When they got home they were greeted by a strange scene.

In 1969, Charles Bourland flew to Houston to interview for a food scientist position at NASA's Johnson Space Center. From his hotel's lobby, he watched with millions of Americans as Apollo astronauts took their first steps on the moon.

It was a "pretty impressive thing" to witness while considering a NASA job, he remembers with a chuckle.

In his vast catalog of music, Radiohead's Thom Yorke has trembled like a broken man on his knees. He has screamed in tormented six-part harmony; he has manic-whispered diaries worth of existential fear. Still, he just can't shake the techno-dread. Most recently, that dread has manifested in Yorke's third solo project, ANIMA, released on June 27.

About 95% of 12-year-olds in the Philippines have tooth decay or cavities. And cavities affect 7 in 10 children in India, one-third of Tanzania teens and nearly 1 in every 3 Brazilians.

Updated at 9:50 a.m. ET

Rep. Ilhan Omar, one of the freshman Democratic congresswomen facing attacks from President Trump and his supporters, was cheered as she arrived back at her home district in Minnesota on Thursday.

A crowd of people at the airport in the Twin Cities held banners with slogans such as "Stop Racism Now" and chanted "welcome home Ilhan" as the congresswoman emerged from her flight.

Updated July 19 at 12:25 p.m. ET

Mark Morgan, acting head of Customs and Border Protection, said on Thursday that his agency is rolling out the Trump administration's new asylum rule as a small "pilot" for now but that officials expect it to be blocked in court.