Which Scottish surgeon carried out the world's first hip replacement using a metal-on-plastic design in 1962?
Hip replacements are now one of the most common operations on the NHS, but the modern procedure has a very specific inventor. His breakthrough transformed orthopaedic surgery worldwide.
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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
Should new housing estates be required to plant only UK-native trees like oak and rowan?
πΏ Nature & Animals Β· 26 votes
Rank these UK political party mergers or formations by the year they officially took place, earliest first.
ποΈ Politics Β· 25 votes