Math is hard, but doesn't have to be unpleasant. This happy little math lesson features a Bob Ross-style mini-lecture on logarithms.

Jai Pausch is dreaming new dreams and rebuilding her life, one hour at a time. Jai wrote a novel about caring for her late husband, the famed Carnegie Mellon professor Randy Pausch and NYT ...

The video led, quite unexpectedly, to a book, “The Last Lecture,” that has stayed on best-seller lists since it was published in April.