Top 10 Worst Sound On the Planet

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(KTVI) - A new study published in the Journal of Neuroscience looks at why people perceive certain sounds to be unpleasant. We have the top ten.

Dr. Richard Barnes is an Ear, Nose and Throat Specialist with SSM DePaul Health Center.  He talks about the findings.

Top Five Most Unpleasant

5. Blackboard and nails

4. Ruler on bottle

3. Blackboard chalk

2. Fork glass

1. Knife bottle

*The most unpleasant because more of the sound's energy is concentrated in the frequency band of 2000 to 5000 Hz, where our ears are most sensitive.

Other mentions:
6.  Female scream

7.  Angle grinder tool used on a hollow metal pipe

8.  Bicycle breaks squealing

9.  Baby crying

10. Electric drill running at a range of speeds

The 4 least unpleasant sounds were:

1.  Applause

2.  Baby laughing

3.  Thunder

4.  Water flowing