Good review of the complex science around cycle helmets and safety. The article also touches on the unintended effects of helmet mandate laws (which have been repealed in many US cities). Shout out to Ian Walker of Swansea University and his heroic measuring of passing distance of vehicles with various...
Source: slate.com
A growing body of scientific evidence suggests that face masks can protect against COVID-19. There is, however, limited rigorous evidence on the extent to which mask-wearing is effective in reducing COVID-19 in a real-life situation with imperfect and inconsistent mask use. In Bangladesh, researchers...
Source: poverty-action.org
"Facial Masking for Covid-19 — Potential for “Variolation” as We Await a Vaccine | NEJM: Facial Masking for Covid-19 Increasing the proportion of SARS-CoV-2 infections that are asymptomatic with the simple public health measure of universal masking might reduce the severity of disease and ensure...
Source: nejm.org
People in Japan are wearing exoskeletons to keep working as they age: To solve the problem of Japan’s ageing workforce, tech companies have developed exoskeletons that help older workers continue to do heavy manual labour
Source: newscientist.com
Life in Technicolor—One month wearing EnChroma’s color blindness-fixing glasses: By blocking wavelengths, glasses create a new world complete with grass, traffic lights.
Source: arstechnica.com