What Makes a Boomerang Come Back?
It is the built-in skew or twist in a boomerang combined with its spinning motion that makes it return to the thrower. At first people belie
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Twist
Do Cats Always Land on Their Feet?
Do Cats Always Land on Their Feet? No. Contrary to this popular belief, cats do sometimes fail to land safely on all four feet. But usually,
What Makes Hair Curly?
What makes our hair curly? Let’s get on with the answer. The curliness or straightness of hair depends on the shape of the hair follicles. T