
Blood transfusions were often fatal before the discovery of blood groups. One researcher's work made safe transfusions possible.
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Should big film franchises be forced to take a five-year break before rebooting?
π₯ Movies & Series Β· 26 votes
Should football clubs be legally required to give fans a seat on the board?
β½ Sport Β· 26 votes
Which British engineer patented the first practical portland cement in 1824?
π History Β· 26 votes
Which English physician first successfully tested a smallpox vaccine in 1796 using cowpox material?
π³ 28 votes