Keep one's dream of becoming an engineer afloat. Learners apply the engineering design process to build a boat out of aluminum foil. They start with a square boat, then consider whether boats of different shapes would be able to hold...

Swimmers know to float by turning their bodies horizontally rather than vertically, but why does that make a difference? In an interesting activity, scholars explore buoyancy and the properties of air and water. They test cups to see...