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Despite receiving only 2% of the total worldwide value of all cryptocurrencies, their rapid growth will revolutionize financing in an increasingly digital and urban Sub-Saharan Africa.
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From 260-year-old ciphers to the most recent Zodiac Killer solution, these unbreakable codes just needed time.
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A large study shows changes in the brain scans of lonely people in the the area involved in imagination, memory and daydreaming.
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Ultraviolet LED lights could soon be used to help disinfect air and surfaces in buildings, planes, subways and other spaces.
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An important step toward figuring out our space station future.