In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Billions of neutrinos pass unnoticed through your body every second.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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