The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A scorpion can hold its breath for up to 6 days.
19
Most of the dust underneath your bed is actually your own dead skin.
251
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Most streets in Japan do not have names.
6
By peeing in the shower, you can save 1,157 gallons of water a year.
31
Sound doesn't travel in space.
255