This article is from Proof Positive, our friendly math newsletter that's delivered to your inbox every Tuesday afternoon. Sign up today and read it first. Last week I explained how a then 25-year-old ...

I am not sure how you can run a federal election campaign promising not to touch capital gains tax and negative gearing, and then, one year later, massively increase the tax payable as a result of ...

As students move up through the grades in elementary and middle school, math marches relentlessly forward—whether they’re ready or not. Math is a hierarchical field, building sequentially on prior ...

As Homer tells us, Odysseus made an epic journey, against the odds, from Troy to his home in Ithaca. He visited many lands, but mostly dwelt with the nymph Calypso on her island. We can imagine that ...

We all know someone who seems to be an endless source of negativity. We get it. The world can be a dark place, and the news cycle could make anyone spiral. But whether it’s coming from a close family ...

For the first time in decades, net migration for the United States was likely negative in 2025, and the trend could continue amid President Donald Trump's aggressive immigration enforcement actions, ...

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 ...

The first observer to catalog differences in star brightnesses was Greek astronomer Hipparchus. He created a catalog around 135 B.C.E. of roughly 850 stars divided into six ranges. He called the ...