Who Developed Insulin?
Who Developed Insulin? Insulin extracts, which save the lives of many thousands of people, were developed by the combined efforts of three physiologists, Sir Frederick...
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How Does the Heart Work?
How Does the Heart Work? The heart, which is a muscular pump, beats about 72 times a minute through a continuous and automatic process of muscular contraction and...
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Why Did the May Flower Sail to America?
Why Did the May Flower Sail to America? The Mayflower sailed to America to transport the Pilgrim Fathers from England to Plymouth, Massachusetts, where they established...
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What Are Some of the Unique Properties of Pascal’s Triangle?
What Are Some of the Unique Properties of Pascal’s Triangle? In mathematics, Pascal’s triangle is a triangular array of the binomial coefficients. Since...
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What Is a Tattoo?
A tattoo is a marking made by inserting indelible ink into the layer of skin to change the pigment for decorative or other reasons. Tattoos on humans are a type of...
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When Was the Colosseum Built?
When Was the Colosseum Built? The great Flavian Amphitheatre, or Colosseum, was built between A.D. 69 and 81 by the Emperors Vespasian and Titus on the site of an...
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What Is Superbug Ndm-1?
What Is Superbug Ndm-1? A new superbug could spread around the world and scientists say there are almost no drugs to treat it. Researchers have found a new gene called...
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When Is War Said to Escalate?
When Is War Said to Escalate? War is said to escalate when it increases rapidly in scale or intensity. The word was added to the military vocabulary by the Americans...
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Why Do We Have Two Eyes?
Why Do We Have Two Eyes? We have two eyes placed in the front of our heads because we need to be able to judge distances and to see in depth. The change in the position...
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What Is a Temporary Tattoo?
What Is a Temporary Tattoo? A temporary tattoo is an image on the skin resembling a true tattoo, but is non-permanent. Temporary tattoos can be drawn, painted, or...
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