Establishing a colony on Mars would protect the long-term survival of the human race.
This week's question arrives from the Philippines, courtesy of Amy. Bill dissects the question before giving several possible answers.
Ian Bremmer calls Hillary Clinton a "moneyball" candidate for president.
The threat is real and many scientists and engineers are standing behind them.
Some maps need to be savored instead of analyzed.
Just 10 years ago, the suicide-prevention community consisted mainly of families who had been affected by the suicide of a loved one. Today, it numbers in the hundreds of thousands.