What's that mysterious low humming noise in Whitehorse? Residents are baffled An unknown sound has been disturbing some residents across Whitehorse over the last few weeks. They describe it as a low, ...

"Inhale through your nose for about three to five seconds, and then exhale slowly for five to nine seconds, making only a soft, low humming sound as you exhale. The range of inhalation and exhalation ...