Do Fish Have Ears?
Yes, fish have ears and can hear. But most fish hear very poorly. Fish hear, but their “ears” are on the inside. Bony fishes detect vibrations through their...
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How Does My Nose Smell Things?
How Does My Nose Smell Things? You smell by means of an organ of smell called the “olfactory” organ. This organ is made up of special nerve cells high up in...
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Who Were the Tuskegee Airmen?
Who Were the Tuskegee Airmen? Before 1940, African Americans were not allowed to fly for the U.S. military. This was due to laws that allowed discrimination against...
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What Is a Gyrocopter?
A Gyrocopter is a modern aircraft, which aside from its various usage features. Low functioning price, and special flight, today has become the safest flying device in...
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How Do You See?
How Do You See? You see because waves of light strike objects around you and bounce back to your eyes. The light passes through the pupil of the eye and forms a picture...
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Why Do I Sometimes Get a Shock When I Touch a Doorknob?
Why Do I Sometimes Get a Shock When I Touch a Doorknob? The little shocks you can get by walking on a carpet come from what is called static electricity. Static...
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Why Did Castles Have Moats?
Why Did Castles Have Moats? The purpose of a moat was primarily to protect the castle from attack. Although they’re usually depicted as wide, deep bodies of...
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What Is Mistletoe and How Does It Grow?
What Is Mistletoe and How Does It Grow? Mistletoe is an evergreen plant with leather like leaves and white, waxy berries. The plant’s flowers can be a wide...
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How Big Is a Dump Truck?
How Big Is a Dump Truck? Of course, dump trucks are big. They have to be! They usually have large diesel engines and anywhere from six to a dozen tires. Dump trucks are...
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How Does a Telescope Work?
How Does a Telescope Work? A telescope is basically a long tube with magnifying lenses at both ends. A lens at the front of the telescope gathers light from a distant...
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