In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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There is a superhero supply store in Brooklyn with a cape fitting room that has a wind tunnel. They also sell oxygen gum, bottled chaos and have an invisibility testing center.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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