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Seeing the small world up close gives students a clearer picture of the larger world around us. Here are the microscopes to help them get started. By John Alexander Published Apr 10, 2024 4:00 PM EDT ...
A mouse’s heart beats roughly 600 times each minute. With every beat, blood pumping through vessels jiggles the brain and other organs. That motion doesn’t trouble the mouse, but it does pose a ...
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