Sony researchers have developed a refrigerator that only opens when you smile.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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There's a rare breed of pig that looks like a sheep.
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There is a “Fruit Salad Tree” which can grow up to 6 different types of fruit.
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An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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