60-Why do we have crooked teeth when our ancestors didn't

51-Food expiration dates don't mean what you think

52-Test yourself- Can you tell the difference between music and noise

53-Why is William Faulkner so difficult to read

54-Can you outsmart Fate and break her ancient curse

55-4 epidemics that almost happened (but didn't)

56-Is it normal to talk to yourself

57-1816- The year with no summer

58-Why were there three popes at the same time

59-The rise and fall of the Mughal Empire