Ultrafinitism, a philosophy that rejects the infinite, has long been dismissed as mathematical heresy. But it is also producing new insights in math and beyond. His two theorems destroyed the search ...

Physics doesn’t have to feel intimidating — the right mix of practice resources, mindset shifts, and guided support can make all the difference. From open problem banks and printable worksheets to ...

In the late 1960s and early 1970s, the American cartoonist Crockett Johnson created a series of paintings on mathematical subjects. They’re based on theorems, laws, and mathematical figures, but ...