The Most Annoying Sound In The World Is…Not Snooki

There are so many sounds that annoy us every day. Coworkers with the sniffles, fingernails being clipped, dogs barking, Snooki from Jersey Shore, and of course - the nails on a chalkboard! Turns out though that scratching your nails on the chalkboard is not the most annoying sound in the world...but it is in the top 5. Listen to them all after the jump.

Scientists at Australia's University of Newcastle had people listen to sounds while getting an M.R.I., and saw which sounds produced the strongest reaction in people's brains.  Here are the five MOST annoying sounds in the world.

#1.)  Rubbing a knife against a glass bottle.

#2.)  Dragging a fork across glass.

#3.)  Writing on a chalkboard with chalk.

#4.)  Rubbing a ruler against a glass bottle.

#5.)  Nails on a chalkboard.

(ABC News)