Plasma, created in a lab by heating gas, constitutes the fourth state of matter.
Whether from playing too much basketball or jogging in ill-fitting sneakers, we've all had blisters. But what are blisters, and how do they form?
Blood is much more complicated than you might think.
Fire is a chemical reaction between oxygen molecules and some kind of fuel. This reaction releases the heat and light that we call fire.
What's the biggest magnet ever? Find out on this Moment of Science.