There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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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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