10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The water of the Antarctica is so cold that nothing can rot there.
334
Forest fires move faster uphill than downhill.
52
The Caspian Sea is also classed as the world's largest lake.
52
The Atlantic Ocean is saltier than the Pacific Ocean.
54
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40