New America Senior Fellow Peter W. Singer writes on the costs on the growing costs of America's approach to war compared to others' approaches in Defense One: At the lowest point of the Civil War, ...

At the lowest point of the Civil War, Abraham Lincoln characterized the core factor between victory and defeat as finding a general who understood the “awful arithmetic” of war. War is a contest of ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

On September 25, a federal district court vacated the Medicare Advantage risk adjustment and data validation (“RADV”) final rule that would have enabled the Centers for Medicare & Medicaid Services ...

The 1988 novel by Jewish author Jane Yolen is about a young Jewish American girl who travels back in time to World War II-era Poland and is sent to a Nazi death camp. A school district in central ...

Last week, on September 25, 2025, Judge O’Connor in the U.S District Court for the Northern District of Texas ruled in favor of Humana (the Humana Decision) and vacated the Centers for Medicare & ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — President Donald Trump, who has repeatedly bragged about how smart he is, apparently has trouble with basic ...

Humans started counting tens of thousands of years ago, but when did they begin figuring out advanced arithmetic, algebra and even calculus? When you purchase through links on our site, we may earn an ...

Can kids truly master math by simply memorizing facts? A new report reveals that the key lies in a powerful instructional cycle that blends conceptual learning, brief timed practice, and thoughtful ...

Summary: A new review shows that children learn arithmetic most effectively through a structured approach that integrates conceptual understanding with brief timed practice and reflection. Rather than ...

What’s the best way for children to learn arithmetic—memorizing number values and multiplication tables or studying math at a deeper, conceptual level? Educators have long debated the merits of these ...