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Dentistry15_wide

Horace Wells was an American dentist who pioneered the use of laughing gas to reduce patients’ pain during tooth extractions. The museum holds one of three copies of a mask of his likeness.

April 2, 2020 | By Scott Anderson

For Greener Buildings, We Need to Rethink How We Construct Them

To meet its pledge to be carbon neutral by 2050, Canada needs to cut emissions from the construction industry. Architecture prof Kelly Doran has ideas