What Does Bee-line Mean?
What Does Bee-line Mean? The phrase is American and all the early citations of it come from the USA. The phrase derives from the behavior of bees. To make a bee-line is...
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Why Is Grass Green?
Why Is Grass Green? The green color in grass-and in most other plants-comes from chloroplast within the cells, each of which contains four different colors or pigments....
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How Do Trains Work?
How Do Trains Work? Long before automobiles took to the roads and airplanes flew into the skies, people rode horses to get from one place to another quickly. Horses...
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Why Do We Wish a Merry or a Happy Christmas to Each Other?
Why Do We Wish a Merry or a Happy Christmas to Each Other? Historians and linguists can’t pinpoint for sure exactly why we tend to use Merry Christmas. The...
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Where Does the Breadfruit Tree Grow?
Where Does the Breadfruit Tree Grow? The breadfruit tree is found in the South Pacific islands and, to a lesser, degree, in other parts of the tropics. It is an...
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What Is a Loofah?
What Is a Loofah? A loofah is a fibrous, cylinder shaped, vegetable product often used in bathrooms as a kind of rough sponge or gentle brush. It is the dried interior...
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What Does It Take to Be an Air Traffic Controller?
What Does It Take to Be an Air Traffic Controller? While vehicular traffic on the ground is controlled by signs and lights, airplane traffic in the air is guided by a...
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Do Flies Hibernate?
Do Flies Hibernate? During winter flies will hibernate, sometimes in large groups, in any available dry and warm space such as an attic. The reason there are so few...
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When Do Bees Swarm?
When Do Bees Swarm? Bees swarm in late spring in search of a new home. During the winter the queen bee begins to lay her eggs and the colony sets about rearing its...
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Is the Birthday Paradox Really a Paradox?
Is the Birthday Paradox Really a Paradox? How many people would you have to gather together in a room to ensure at least a 50% chance that two people in the room share...
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