Where Do Sponges Come From?
Where Do Sponges Come From? The soft, absorbent, natural sponges used in baths are the skeletal remains of a marine animal. Biologists once thought sponges were plants....
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What Is Indelible Ink?
What Is Indelible Ink? Electoral ink, indelible ink, electoral stain or phosphoric ink is a semi-permanent ink or dye that is applied to the forefinger (usually) of...
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Why Do Butterflies and Moths Have Powdery Wings?
Why Do Butterflies and Moths Have Powdery Wings? The “powder” on the wings of moths and butterflies is really a layer of tiny, colored scales which overlap...
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Why Do Beavers Build Dam?
Why Do Beavers Build Dam? The beavers of North America build a dam to create an artificial lake in which to construct an island home or lodge. They are the...
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Why Do We Celebrate Veterans Day?
Why Do We Celebrate Veterans Day? Many Americans mistakenly believe that Veterans Day is the day America sets aside to honor American military personnel who died in...
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What’s the Difference Between White and Black Watermelon Seeds?
What’s the Difference Between White and Black Watermelon Seeds? You’ve probably noticed that most watermelon seeds are black or a dark brown, red, or tan...
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When Can You See a Snake Dance?
When Can You See a Snake Dance? There are two occasions when a snake will “dance”- both connected with the mating season. In the first case the dancing...
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When Do Animals Become Mutants?
When Do Animals Become Mutants? Animals are said to be mutants when they show characteristics different from the rest of their species. Mutations are processes by which...
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Why Do Rabbits Have Large Ears?
Why Do Rabbits Have Large Ears? A rabbit’s ears help in monitoring environment and detect predators. Rabbits can pick up sounds over considerable distances, perhaps up...
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Where Does Caviar Come From?
Where Does Caviar Come From? Caviar is a delicacy consisting of salt-cured fish-eggs of the Acipenseridae family. The roe can be “fresh” (non-pasteurized)...
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