The first guy to win Who Wants To Be A Millionaire (USA) used none of his lifelines until the final question, where he called his dad. During the call, he told his dad he didn't need any help on the final question, but he just wanted to let him know that he was about to win $1,000,000.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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