'Power tends to corrupt; absolute power corrupts absolutely,' said the British historian Lord Acton. Unfortunately, this is not entirely a myth. UC Berkeley psychologist Dacher Keltner explains some of the ways in which power encourages individuals to act on their own whims, desires and impulses.

The iron in our blood or the oxygen that we breathe all formed during chemical reactions inside of a star. But when it comes to heavier elements such as gold, a different process might be at play. UC Santa Cruz's Enrico Ramirez-Ruiz has his own theory about where gold comes from in the universe — it may have to do with the spectacular explosions of supernovae.