Passengers on the Beijing subway can pay with plastic bottles.
29
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
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
Billions of neutrinos pass unnoticed through your body every second.
6
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