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.
Over 3000 studies have now been conducted into acupuncture, it's time to accept that the ancient Chinese practice is a complete waste of time.
However, it takes time to condition your brain to believe its effects are real.
Researchers find in a test of likeness, people choose photos that don't represent them well at all.