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.
Researchers find in a test of likeness, people choose photos that don't represent them well at all.
A young man received a new pair of sunglasses. What he saw changed his life.
Researchers identify the origins of tunnel vision — when everything else falls away and the only thing you can see is the story unfold.