In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

FILE - In this Feb. 1, 2019 photo, Bill and Melinda Gates pose for a photo in Kirkland, Wash. The Bill & Melinda Gates Foundation announced Wednesday, Oct. 19, 2022 that it is making grants of more ...

Add Yahoo as a preferred source to see more of our stories on Google. As the nation witnesses unprecedented declines in academic achievement, one of the largest education philanthropies has announced ...

The Bill & Melinda Gates Foundation announced Wednesday that it is making grants of more than a $1 billion as part of a sweeping national plan to improve math education over the next four years. Its ...