Why Is the Pound Abbreviated lb?
Why Is the Pound Abbreviated lb? Our abbreviation “lb.” for “pound” comes from the Latin “libra pondo,” meaning “a pound by Weight.” The ancient Romans invented the...
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How Does a City Purify Its Water?
How Does a City Purify Its Water? Water in its natural state is often dirty, and usually must be purified to be safe for consumption. After water is drawn from a lake...
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Why Is the Frame on a Girl’s Bicycle Curved?
Why Is the Frame on a Girl’s Bicycle Curved? The top bar in the frame of a girl’s bicycle is curved downward to give clearance for women’s skirts. Before...
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What Is the Most Abundant Element in the Universe in Terms of Mass?
What Is the Most Abundant Element in the Universe in Terms of Mass? The major building block of the universe is hydrogen because it’s the most plentiful element....
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Was Columbus Trying to Prove the Earth Was round When He Discovered America?
Was Columbus Trying to Prove the Earth Was round When He Discovered America? No, it is not true that Christopher Columbus sailed into the unknown Atlantic Ocean in 1492...
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What Is Licorice Made From?
Liquorice (spelled licorice in many regions) is made from the sweet roots of the licorice plant, which grows in southern Europe and parts of Asia. Workers dig up the...
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Why Sweet Potato Is Called a Dietary Powerhouse?
Why Sweet Potato Is Called a Dietary Powerhouse? The sweet potato (Ipomoea batatas) is a dicotyledonous plant that belongs to the family Convolvulaceae. Its large,...
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How Long Have Large round Bales of Hay Been Around?
How Long Have Large round Bales of Hay Been Around? Farmers who grow hay can bale it in a variety of shapes and sizes, depending upon the particular baling equipment...
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How Do Scientists Measure the Depth of the Ocean?
How Do Scientists Measure the Depth of the Ocean? Historically, before scientists developed new techniques, the depth of the ocean was actually measured by sending a...
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What Is Iodoform Used For?
What Is Iodoform Used For? Iodoform is the organ iodine compound with the formula CHI3. A pale yellow, crystalline, volatile substance, it has a penetrating odor (in...
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