Were Neanderthals right or left handed? Learn more on this Moment of Science.
Drinking pop all day may not be a healthy habit, but can soda actually rot your teeth?
Pregnancy can be a wonderful experience. There’s the rosy glow, the growing baby’s thrilling first kick. Of course, being pregnant has its down side. There’s morning sickness, after all, and then ultimately the painful process of actually giving birth. Learn more on this Moment of Science.
When a person doesn’t swallow correctly, it’s called a tongue thrust because the tongue, one of the most powerful muscles in the body, thrusts against the teeth when swallowing, over time forcing them out of alignment. Learn more on this Moment of Science.
As we all learned in health class, human beings have 32 teeth. Twenty-eight of them come in before puberty, but the last four teeth, our “third molars,” usually come in during our late teens or early 20′s, when we’re presumably older and wiser, hence their nickname, wisdom teeth. Lean more on this Moment of Science.
Learn how to grow your own dentures on this Moment of Science.
When dinosaurs ruled the earth, the Tyrannosaurus Rex ate just about anything it wanted. But did that include other T. Rex?
Does sugar really cause cavities? Find out on A Moment of Science.
Most tooth decay is caused by a strain of bacteria called Streptococcus mutans. It consumes sugar on the surface of the teeth and converts it into lactic acid, which is what eats away tooth enamel, causing decay.
Early stone tools, like knives and scrapers, are easy for anthropologists to learn about because these items are still around. Even after two million years, a chipped stone tool is still going to be there when you dig it up.