Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Research indicates that plants grow healthier when they are stroked.
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Sound at the right vibration can bore holes through a solid object.
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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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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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