On the average a fart is composed of about 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane, and 4% oxygen. Less than 1% is what makes them stink.
405
If you hold farts in during the day, they'll just come out when you sleep.
16
Farts are created mostly by E. coli.
206
Farts are flammable.
1k
Held in farts enter your bloodstream and are bad for your body.
26
Termites are the largest producers of farts.
547
The word "fart" comes from the Old English "feortan" (meaning "to break wind").
669
Farts have been clocked at a speed of 10 feet per second.
700