Monday, 28 August 2023

Covid Closed the Nation’s Schools. Cleaner Air Can Keep Them Open.

Scientists and educators are searching for ways to improve air quality in the nation’s often dilapidated school buildings.

from NYT > Top Stories https://ift.tt/emVYbd3
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How the Myanmar Earthquake Shook Skyscrapers in Bangkok

Large quakes produce shaking at a variety of frequencies. Some waves can travel hundreds of miles, and are amplified by local geological con...