How does Luhn’s algorithm know when your fingers fumble? Every digit in a credit card number contributes a one-digit number to the final sum in the algorithm.

How does Luhn’s algorithm know when your fingers fumble? Every digit in a credit card number contributes a one-digit number to the final sum in the algorithm.

Analog technology, they say, is a way to limit overstimulation, curb the lure of an algorithm that's constantly suggesting more screen time and keep their kids away from inappropriate content.

After making real progress to improve graduation rates for foster youth, a Seattle nonprofit has seen nearly all of its state money for education cut.

That’s where these 5 best learning apps for 2025 come in. From math battles and reading adventures to coding games and language challenges, these apps turn studying into playtime your children ...

The algorithm thinks you’re rich. Prepare to pay more for that flight. Airlines and other companies are increasingly using data to determine pricing, says a visiting scholar at Harvard’s Berkman Klein ...

“It’s the most rewarding thing I could possibly be doing,” Nate Bressler of the Oglala, S.D. area said about working with the group’s kids. The 48-year-old Bressler launched Sage to Saddle ...

Algorithmic trading provides a more systematic approach to active trading than one based on intuition or instinct. Learn how hedge funds use computer programs to trade.