Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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There is a fruit called The Miracle Berry that, when eaten, causes sour foods to taste sweet, and has been used to treat diabetes, among other things.
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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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There is a “Fruit Salad Tree” which can grow up to 6 different types of fruit.
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