Why Do Your Eyes Water When You Slice Onions?
Why Do Your Eyes Water When You Slice Onions? Onions contain strong-smelling oil. When the onion is peeled and cut, this oil escapes into the air in the form of vapor...
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Can People Make Rain Fall?
Can People Make Rain Fall? Yes, under special conditions, scientists can cause rain to fall. They can make rain only if clouds are present. The clouds must also be...
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How Do Butterflies Get Their Color?
How Do Butterflies Get Their Color? The colorful patterns on a butterfly’s wings are formed by thousands of flat scales as fine as dust. The tiny scales overlap each...
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Do Millipedes Really Have Thousand Legs?
No, millipedes don’t have a thousand legs, even though they are called thousand – leggers. In fact, most millipedes usually have only between 60 and 120...
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What Is Aquagenic Urticaria?
What Is Aquagenic Urticaria? Aquagenic urticaria, or water allergy, is one of a number of forms of urticaria – such as aversions to the sun and extreme cold or...
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