A CEO tried to give a senator a math lesson. So she had to calmly explain how math actually works.

In a hearing earlier this year, a businessman decided to make excuses about why he couldn’t afford to pay his waitstaff a living wage. Unfortunately for him, math ruins everything. Especially if you are making stuff up. At 4:20, Warren just goes ahead and lets him know what’s what.

Education

A 1983 report said schools were failing. It was deeply flawed, but it changed U.S. education.

Pop Culture

On his last show in 2001, Mister Rogers shared his final lesson: What it really means to grow up

People Skills

Researchers put Batman on a crowded subway to test a fascinating theory about human kindness

Health

ER doctors diagnosed a woman with terminal cancer. The real culprit started with a toothache.