A new metallic energy dissipation device (EDD) with self-centering capability is proposed, and its effectiveness in controlling the seismic response of buildings subjected to near-fault earthquakes is investigated experimentally in combination with an inherently very flexible structural system: the RC waffle-flat plate structure.
Natural ventilation as a healthy habit during the first wave of the COVID-19 pandemic: An analysis of the frequency of window opening in Spanish homes

Since SARS-CoV-2 spread worldwide in early 2020, many countries established lockdowns for protection. With a main transmission by aerosols, ventilation was promoted.