Sound

Carry out this test and record your result in the blog. Was this your expectation?

http://www.nidcd.nih.gov/tunetest/dtt.asp

Test yourself with this Auditory test
http://www.phys.unsw.edu.au/jw/hearing.html

Who can hear the highest pitch sound - I got as far as 12 - age and listening to too much loud music has an influence
http://journal.plasticmind.com/ears/mosquito-tone-or-how-to-tell-youre-a-youngun/