Key TakeawaysTartar (also called dental calculus) forms when plaque isn't removed within 24 to 72 hours and hardens on the ...

Famed philosopher Peter Singer turns 80 and rejects the claim that there are no ethical billionaires, pointing to expanding ...

Last week, I introduced Emmy Noether, an extraordinary figure in the fields of mathematics and physics. To understand Noether ...

More students should be taking advanced math.

Ukrainian drone strikes on refineries and depots have triggered shortages and price spikes across Russia, raising questions about whether they can alter Putin’s war calculus.

How much does a math tutor cost in 2026 can offer a wide range based on the session format, your kid’s level, and the tutor’s ...

Dangote Petroleum Refinery targets a $40-50 billion IPO valuation as Nigerians rush to open brokerage accounts. Pre-IPO ...

That is changing. Over the past 50 years, the share of American mothers with only one child has nearly doubled, from 11 per ...

Is there really such a thing as human nature? The answer lies between two old extremes, and getting it right shapes how we face AI, authoritarianism, and climate.

Europe has pulled off something remarkable in 2026. Facing a sweeping reduction in American military commitments to NATO, ...

The Great American State Fair was meant to turn the National Mall into a centerpiece of America 250 spectacle. Instead, its ...

For different reasons, these Pirates players represent the gray area that makes this trade deadline so important.