In the dead of winter, opening your windows might seem like the opposite of a wellbeing hack. But in Germany, it’s a standard practice called lüften: airing out one’s home every day, even in the ...

Aside from the fading sun and the cooling air, the stark difference between the warmer seasons and the cooler times of year is the lack of comfortable natural ventilation. It's easy to keep the ...

Here's how “house burping” can improve indoor air quality, reduce winter illness risks and boost comfort in just minutes.

BERLIN — After moving to Berlin from Honolulu, Wyatt Gordon was surprised when his new German roommate marched into his bedroom at 8 a.m. and threw open the windows. It turned out that his cohabitant, ...