Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them ...

COOLIDGE, AZ — Remember Principal Erik Collins, the guy who spent a night on the roof of Imagine Coolidge Elementary after daring his students to hit one million math problems? Turns out that rooftop ...

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same ...

A 37-year-old former Sequoia Station Mathnasium tutor was sentenced to one year in county jail for trying to meet up for sex with a 17-year-old girl with whom he worked, San Mateo County District ...

WASHINGTON -- The US Food and Drug Administration sent warning letters to Target, Walmart, Kroger and Albertsons after some of the stores failed to remove recalled baby formula linked to a large ...

In late 2021, as the housing market overheated and the Federal Reserve’s benchmark interest rate hovered near zero, Tony Yang found an unconventional way to fund his down payment. He logged into his ...

HOUSTON, Texas (KTRK) -- Research shows that 39% of households in Harris County are food insecure, exceeding the national average of 14%. Given the need in our area on this 'Giving Tuesday', we are ...

RICHMOND, Va. (WRIC) — A Virginia baby is one of dozens of babies nationwide who have contracted infant botulism — a rare and potentially deadly disease — after consuming contaminated formula. As of ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

When it comes to hard problems, computer scientists seem to be stuck. Consider, for example, the notorious problem of finding the shortest round-trip route that passes through every city on a map ...