You may have heard of Black Friday and Cyber Monday. There's another day you might want to know about: Giving Tuesday. The idea is pretty straightforward. On the Tuesday after Thanksgiving, shoppers take a break from their gift-buying and donate what they can to charity.

If you withdraw the incredible focus on polio, it will spread back, and in poor countries you'll get something like 100,000 cases a year. So by being very intense and getting the cases down to zero, what you do is you avoid all the future cases.

I'm cooler than you. WAAAY cooler.

Well private money can take risks in a way that government money often isn't willing to.

If you rely too much on the people in other countries and other companies, in a sense that's your brain and you are outsourcing your brain.

Common Core is a big win for education.

Television is not real life. In real life people actually have to leave the coffee shop and go to jobs.