Sound travels about 4 times faster in water than in air.
408
Cats and dogs can hear ultrasound.
350
Sound doesn't travel in space.
255
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.
1k
American car horns beep in the tone of F.
66
Pain occurs when sounds are above 130 db.
124