Тествайте колко са стари ушите ви!

Sometimes, the truth hertz.

Test yourself with AsapSCIENCE:
https://www.youtube.com/watch?v=VxcbppCX6Rk

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MUSIC
Lit Up
Licensed via Warner Chappell Production Music Inc.

SOURCES
https://www.youtube.com/watch?v=VxcbppCX6Rk
http://www.nytimes.com/2006/06/12/technology/12ring.html
http://articles.latimes.com/2001/may/21/health/he-542
http://www.physics.org/article-questions.asp?id=88
http://onlinetonegenerator.com/

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www.buzzfeed.com/jordanshalhoub

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