Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...

In parts of the Middle East and North Africa, a patchwork of sanctions, payment failures, and licensing gaps pushes people into piracy networks. In the Middle East, piracy is illegal in countries with ...

In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, left-right. The eye signal means she knows she’s dreaming. Lucid ...

Over the past couple of years, we have seen an increased push for age verification across a number of applications and online platforms. The push has been so concentrated in some states that thousands ...

As tax season dawns, backlash to a nationwide surge in property-tax bills is spurring states to double down on proposals to diminish one of the main revenue sources for school districts. And that ...

Steven Bouma-Prediger seldom sees students walking between classes without their faces buried in their smartphones. This distraction transfers into the classroom, where Bouma-Prediger takes matters ...

We may receive a commission on purchases made from links. Once upon a time, the Walkman and then the flip phone were on the cutting edge of consumer gadgets for anyone who had their finger on the ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...

Add Yahoo as a preferred source to see more of our stories on Google. Wikipedia has recently come under the microscope. I take some credit for this, as the co-founder of Wikipedia and a vocal critic ...

The rise of GPS vulnerability is putting more resilient, atom-based navigational tools on the map. In late September, a Spanish military plane carrying the country’s defense minister to a base in ...

Dr. Toyin Ajayi has an ambitious mission: to make health care accessible to all. Ajayi is the founder and CEO of Cityblock Health, a primary care provider focused on helping underserved communities in ...

In the weeks since the October 8 cease-fire between Israel and Hamas, establishing and maintaining security in Gaza has become a crucial test. Already in the days after the deal was announced, Hamas ...