A Public Health Researcher and Her Engineer Husband Found How Diseases Can Spread through Air Decades before the COVID Pandemic

Air-Borne: The Hidden History of the Life We Breathe, by Carl Zimmer, charts the history of the field of aerobiology: the science of airborne microorganisms. In this episode, we discover the story of two lost pioneers of the 1930s: physician and self-taught epidemiologist Mildred Weeks Wells and her husband, sanitary engineer William Firth Wells. Together,…

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Special contact lenses let you see infrared light – even in the dark

New contact lenses can provide infrared vision olga Yastremska/Alamy Contact lenses have enabled people to see beyond the visible light range, picking up flickers of infrared light even in the dark – or with their eyes closed. The lenses contain engineered nanoparticles that absorb and convert infrared radiation – specifically, a near-infrared wavelength range of…

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