Noise Pollution

Don’t forget to dry your hands! WHAT? What’d you say?! This is Sandra Tsing Loh with the Loh Down on Science. Many public restrooms have electric hand dryers. It saves trees and cuts down on trash! But those noisy contraptions have little kiddos covering their ears! Young scientist Nora Louise

Hockey Noise

Now that hockey season’s ending, let’s check the damage. To participants’ groins, teeth, ears? This is Sandra Tsing Loh with the Loh Down on Science. Consider this study on hockey noise done by University of Alberta audiologists Richard Liu and William Hodgetts. To measure the overall noise during three play-off