160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18