The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
When the 2013 government shutdown threatened the closing down of a national program giving medical attention and meals to children, John D. Arnold donated $10 million of his own money to keep it afloat.
21
In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
32
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
In Czech Republic, women are entitled to up to 4 years of paid maternity leave, increasing to 7 years if the child is disabled.
13
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20