This DIY air purifier costs far less than a HEPA purifier, and studies say it works

The Corsi-Rosenthal Box is a DIY air purifier. Some are making theirs kid-friendly by adding unique design elements, while others are getting creative in how to transport them from office to class. (left: @roofeo24 on Twitter, right: James Andrew Smith) The Corsi-Rosenthal Box is a DIY air purifier. Some are making theirs kid-friendly by adding unique design elements, while others are getting creative in how to transport them from office to class. (left: @roofeo24 on Twitter, right: James Andrew Smith)

CTVNews.ca Top Stories

'I am not a criminal': Habs goalie Carey Price speaks against controversial firearms bill

Montreal Canadiens goalie Carey Price has taken a stance against Ottawa's controversial Bill C-21, which would refine the definition of prohibited assault-style firearms -- drawing the ire of Canadian hunters who say the definition would outlaw weapons used within their practice. Meanwhile, the Liberals have repeatedly stated their intention is not to go after hunters but to restrict certain firearms designed for the 'battlefield.'

Montreal Canadiens goaltender Carey Price, who is on the long term injury reserve list, speaks to the media at the team’s practice facility Monday, October 24, 2022 in Brossard, Que. THE CANADIAN PRESS/Ryan Remiorz

Why is it taking so long for Ukraine to join NATO? Experts weigh in

After Russia annexed four regions of Ukraine in September amid its ongoing invasion of the eastern European country, Ukraine announced it had signed an accelerated application to join the North Atlantic Treaty Organization. Will Ukraine become a NATO member anytime soon? CTVNews.ca turned to experts on Russia's war in Ukraine to better understand.

STAY CONNECTED