Science & Technology

Two Israeli soldiers using a navigation app got lost and mistakenly entered a Palestinian refugee camp in the West Bank on Tuesday, leading to a series of confrontations in which a Palestinian man was killed and four others reportedly were wounded by gunfire.

Israel's military said 10 Israeli security forces were wounded during the clashes.

American astronaut Scott Kelly is back on Earth, ending his extended stay on the International Space Station. Kelly and cosmonaut Mikhail Kornienko, who both spent most of the past year in space, landed at 11:26 p.m. ET in Kazakhstan. Cosmonaut Sergei Volkov, who arrived on the ISS last September, also returned with Kelly and Kornienko.

Florida is poised to become the first state to allow computer coding to fulfill a foreign-language requirement in high school. In a competitive job market, the thinking goes, computer skills are as important as speaking another language.

At SAIL High School in Tallahassee, a 3-D printer whirs away. It's turning PVC pipe into a red, Lego-like piece for a robot.

This is the OctoPiRates robotics club. These students will soon compete in a national contest with their hand-built robot. It features a square, metal frame with eight rubber wheels and a scooping arm.

Here's an exercise in deductive logic, with implications for our food supply.

Fact: Insects such as bees and butterflies are helpful, and sometimes essential, for producing much of our food, including a majority of our fruits, vegetables and nuts.

For many years, cellphone operators around the world have complained about Facebook and Google: The American tech giants use the operators' cables and towers to hand out free phone calls and messaging services to people in their countries, eating into profits and grabbing customers' data.

Recently, one operator, Telenor, decided: If you can't beat 'em, join 'em. And in the process, it hunted down the kind of link between people's digital and physical personas that not even Google has.

After A Terrorist Attack, A Fingerprint Drive

Finding success in science requires smarts, determination — and sometimes a bit of luck. NPR's Skunk Bear created the Golden Mole Award For Accidental Brilliance to celebrate that last part.

FBI Director James Comey says encryption is making phones "warrantproof" — and the agency's dispute with Apple over an iPhone used by one of the San Bernardino shooters shows the challenges encryption poses in criminal and counterterrorism investigations.

"I have taken a lot of pictures because I've been up here for a long time," NASA astronaut Scott Kelly said during a recent press conference from the International Space Station. "I've definitely taken some good ones and some memorable ones."

When he returns to Earth on Tuesday evening, Kelly will have spent 340 days aboard the ISS. While that's not quite a year, it's still a record for an American astronaut, and one of the longest-lasting spaceflights ever.

"I have taken a lot of pictures because I've been up here for a long time," NASA astronaut Scott Kelly said during a recent press conference from the International Space Station. "I've definitely taken some good ones and some memorable ones."

When he returns to earth Tuesday evening, Kelly will have spent 340 days aboard the ISS. While that's not quite a year, it's still a record for an American astronaut, and one of the longest-lasting spaceflights ever.

Ren Zhiqiang, 54, is a brash, sharp-tongued Chinese real estate mogul who is sometimes likened to Donald Trump. In recent days, he has become the target of a government campaign to discredit him, becoming the focus of a bitter debate about Communist Party control of media and the limits of free speech.