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In 1849, New York inventor Walter Hunt received a patent for which well-known product?
The safety pin
Submitted by Glen Mills
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Where is Lake Disappointment?
Western Australia. It's a salt lake and it is dry except during the rainy season.
Submitted by Wandile Nomquphu
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Which violinist, still alive, uses a Soil Stradivarius - named after the Belgian industrialist Amedeé Soil?
Itzhak Perlman
Submitted by Ockert Kruger
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Congratulations to today's winner, Kevin Kelsey!