Math board work evolves by "erasing." A "subtraction" teaching technique to prevent students from freezing up

In math class, if there is too much information written on the blackboard, students tend to lose sight of "what calculation ...

The mathematics of growing a shell—recreating diverse mollusk shells with just three inputs

Kaushik Bhattacharya is an engineer and materials scientist, but he has always been fascinated by seashells. Part of the draw ...