What Makes the Colors in a Rainbow?
After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled with raindrops. The...
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What Is the Difference Between Monkey and Apes?
What Is the Difference Between Monkey and Apes? Before looking at differences, it’s important to know that apes and monkeys are both primates. There are more than...
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How Do They Make Yeast?
Yeast culture is the growing of yeast, much as a farmer cultivates crops. For yeasts are really tiny plants of the mushroom family, like mushrooms, they need shade,...
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How Does Yeast Make Bread Dough Rise?
How Does Yeast Make Bread Dough Rise? Yeasts are microscopic one celled fungus plants. A whole yeast plant, when viewed under a microscope, looks like a tiny potato....
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What Is the Origin of Birthday Cakes?
What Is the Origin of Birthday Cakes? The custom of having a cake to celebrate one’s birthday goes back to an ancient Greek tradition. Worshipers of the moon...
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Who Made the First Chewing Gum?
Who Made the First Chewing Gum? In many lands and from very early times, people have enjoyed chewing on gum-like substances. Some of these were chewy bits of resin and...
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How Does China Make Such Cheap Fountain Pens?
How Does China Make Such Cheap Fountain Pens? The conventional explanation is simply that the Chinese manufacturers are producing fountain pens in such vast quantities...
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Why Does Soda Pop Fizz?
Why Does Soda Pop Fizz? The bubbles in a soft drink are made by a tasteless gas called carbon dioxide gas. This bubbly gas gives the drink its tangy, sharp taste. Soft...
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How Does an Inkjet Printer Transfer Ink to Paper?
How Does an Inkjet Printer Transfer Ink to Paper? Inkjet printers work by applying tiny droplets of ink to paper. This is usually done using one of two technologies....
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Why Do We Hear the Sound of the Sea in a Seashell?
Why Do We Hear the Sound of the Sea in a Seashell? Perhaps you have had the fun of holding an empty seashell close to your ear and imagining that you heard the sound of...
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