Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Lüften sounds simple – but ‘house-burping’ is more complicated in Pittsburgh

By William Bahnfleth, Professor of Architectural Engineering, Penn State

A German habit has been trending in recent weeks: ‘lüften,’ or airing out your home. It can help older, damp homes in the US – if circumstances are right.

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