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.
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.
One researcher explores the ethics of tomorrow through the science fiction stories that entertain us today.