Two doctors made a tool. It can help people who are sick. The tool can help scientists cure diseases. They won an award for the tool!
Photo Credit: MIGUEL RIOPA/Stringer/Getty Images
We all live on Earth. On Earth Day, we learn … read more
When you look up, you can see objects in the … read more
Maria Telkes was born in 1900. She was a scientist. … read more
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