Can a simple mathematical pattern tell us whether a number is prime? This video explores the Fermat primality test, why it works so efficiently, and the subtle flaw that allows certain composite ...

In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to ...

Nasdaq Composite includes only Nasdaq-listed common stocks, excluding ETFs and preferred stocks. It is market-cap weighted, meaning larger companies have more influence on index performance. Investing ...

Digitally delicate prime numbers become composite with this one weird trick. Math researchers proved these primes exist using the bucket proof method. There are no known examples so far, but ...

Mathematicians have revealed a new category of “digitally delicate” prime numbers. These infinitely long primes turn back to composites faster than Cinderella at midnight with a change of any ...

Treasury Secretary Scott Bessent scolded NBC's "Meet the Press" host Kristen Welkler for "cherry-picking" specific products during a question about inflation. She asked about the price of bacon, and ...

For today’s column we’ll look at returns by sector – on a year-to-date and 10-year compound annual basis – for each of the 11 sectors on the TSX in an effort to illustrate the sectors that could be ...

The 2025 Python Challenge removed a record 294 invasive Burmese pythons from Florida ecosystems. The winner, Taylor Stanberry, removed 60 Burmese pythons and took home a $10,000 prize. The 10-day ...

More than 900 people participated in the 2025 Python Challenge, a 10-day snake hunt in South Florida. The catches were monumental this year with 294 pythons captured — the most in the contest's ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...