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Does Quicksand Suck Things Down?
Does Quicksand Suck Things Down? No - quicksand does not actually suck anything down. In fact, quicksand is rarely more than a few feet…
Why Do We Have Hair?
The main purpose of hair is to protect the body. Hair keeps the top of the head warm in winter, and shields it from…
Why Do Hermit Crabs Live in Discarded Shells?
Why Do Hermit Crabs Live in Discarded Shells? Unlike other crabs, the hermit crab has no hard outer shell to protect its soft body.…
Why Do We Have Tonsils?
Why Do We Have Tonsils? Tonsils are lymphatic tissues on either side of the back of the human throat that help fight infections. The…
What Makes a Boomerang Fly?
What Makes a Boomerang Fly? Boomerangs used most famously by the Australian Aborigines use a very complex combination of physics and aerodyn