
Photo Credit: Library of Congress, Prints & Photographs Division, U.S. News & World Report Magazine Collection, [LC-DIG-ppmsca-03119]
Did you know that there are some organisms that produce their own light? They light up in the dark like glow sticks. They are bioluminescent. Bioluminescence is a chemical reaction in a living thing. There … Read more
“In 1492 Columbus sailed the ocean blue. . .” This is the start of an old poem that commemorates Christopher Columbus’s first voyage to North America. In those days, people said that Columbus discovered America. … Read more
Have you ever used a compass? A map? Or do you usually ask your parents for directions? Imagine being in the middle of the ocean and voyaging to islands that are hundreds of miles away—without … Read more
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