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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
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While pumpkins are typically orange, they can also be green, white, red, gray, and even blue.
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