When all three messages landed in my inbox on the same day, the problem of soap scum, mildew and hard water buildup grabbed my attention. I’ve been told that if one person actually writes to me with a problem, that represents a thousand with a similar situation. Three in one day tells me this is a […]
Learn how to make a breathing machine from the author of Maker Lab, Jack Challoner. This easy experiment uses household items to construct model lungs and show how some vital parts of the body work. -- Learn about the respiratory track hands on, at home!