
Thomas Edison was an inventor. When he was young, he lost most of his hearing. This helped him concentrate on his inventions. He had a lot of ideas.
Photo Credit: Library of Congress, Prints and Photographs Division [LC-USZ62-55344].
On July 1, we say thank you to people who … read more
Many types of sea plants and animals live here. Some … read more
Some mummies are very old. Scientists can learn from mummies. … read more
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