1...that the Smyth Report was the first official administrative history written on the development of the first atomic weapons?2...that songwriter Billy Steinberg spent more than a year trying to find someone to record his song Like a Virgin before it was accepted by Madonna?3...that in 1975 a freak typhoon caused the Banqiao Dam in China's Henan Province to fail, killing over 200,000 people?4...that American lions were probably cave lions who crossed the Bering land bridge into Alaska?