What do you get when you add Jay-Z's 'Problems' to Three Dog Night's 'Loneliest Number'? In this Season One bonus round, titled "Replacement Math," puzzle guru Art Chung challenges contestants to solve simple arithmetic problems using numbers found in pop culture. Calculus is a lot less scary when it involves your favorite band.
When former South African President Nelson Mandela died last month, he was celebrated around the world, lauded in this country by politicians who range as far apart on the ideological spectrum as President Obama and Texas GOP Sen. Ted Cruz.
Anjan Sundaram had all kinds of options in the late summer of 2005. He had a master's in mathematics from Yale, a lucrative job offer from Goldman Sachs; and he was just about to begin a Ph.D. But he left all that behind and made a dramatically different choice. He headed to the Democratic Republic of Congo, one of the worst conflict zones in the world, to try to start a career in journalism. At the time, the death count in that war was more than 4 million people. That number continues to rise.