
Before modern ventilators, polio outbreaks left thousands of patients unable to breathe unaided. A cheap, rapidly produced negative-pressure cabinet became a lifeline across British hospitals.
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Should new housing estates be required to plant only UK-native trees like oak and rowan?
πΏ Nature & Animals Β· 26 votes
Which UK marine creature can regenerate its entire body from just a single arm attached to part of its central disc?
πΏ Nature & Animals Β· 26 votes
Which UK Act, passed in 1839, first established a paid police force for the whole of London outside the City?
βοΈ Ethics Β· 24 votes
Which English physician first successfully tested a smallpox vaccine in 1796 using cowpox material?
π³ 28 votes