To prevent the spread of germs, nothing can properly replace washing your hands with soap and water – but sometimes, you might not have access to a sink. Make sanitizer at home using simple ingredients.
How would a one or two-story building behave in an earthquake? How do the building’s materials used affect the stability of the structure? How does the way those materials are joined or connected influence the behavior of a falling structure?
The human eye's automatic focusing system outstrips that of any camera. But did you also know it has a blind spot? In this science experiment, you’ll need a marker and index cards to understand the mysteries of the human eye.