Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...
The continent drifts northeast at about 2.7 inches (7cm) per year - a rate so significant that GPS coordinates must be ...
Welcome to the Lafayette Schoolhouse Antique Mall, where history comes alive and nostalgia reigns supreme. Step right up to ...
New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
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