For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

For over a decade, mathematicians have failed to agree whether a 500-page proof is actually correct. Now, translating the ...

These teacher-tested activities use free or familiar tools to help students think critically, create meaningfully, and ...

Take this quiz to see how much you know about this topic already, then work through the guide and see if you can beat your score. Take a look at this number line. It shows 14 - 5 = 9. You can count ...

On a recent sunny afternoon, Aditya Chebiyyam was shopping at Hareli Fresh Market, a grocery store in Frisco that caters to Indian tastes. The local resident likes to head to the retail spot near a ...

When you add a suffix to a word ending in 'fer' you sometimes need to double the 'r', but how do you know when? When you add a suffixes and the second syllable of the new word is stressed, then you ...

Microsoft and OpenAI unveil a deal extending IP rights, adding independent AGI verification, and giving both sides more freedom while maintaining Azure ties. Nvidia’s path back into China remains ...

The number 1729 may look ordinary, but a casual remark by Srinivasa Ramanujan turned it into a mathematical legend, ...

This table shows the supply and consumption of petroleum products and crudes as a balance sheet. Petroleum products include the fuels LPG, motor gasoline and diesel oil. The balance includes products ...

Our cities are damaging our health. Here’s how plants can help us. By 2050, 68% of the global population will live in cities. That’s 2.5 billion more people than today. In Europe, three out of four of ...