Which UK-native crustacean, once common in British rivers, has been devastated by a fungal plague spread by a larger American invader?
British waterways host a species being wiped out by an introduced relative carrying disease. Its collapse has become one of the UK's most dramatic freshwater declines.
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π€ Dilemma Β· 27 votes
Which Roman emperor debased the silver denarius so severely that its silver content dropped to around 5% by the end of his reign in 217 AD?
π° Money Β· 26 votes
Which British musician released the 1973 concept album 'The Six Wives of Henry VIII'?
π΅ Music Β· 25 votes