The huge, five-million-year-old tooth provides the first evidence of the now extinct killer sperm whale outside the Americas.
Wisdom teeth may have shrunk during human evolution says a new finding that could lead to a new way of figuring out how closely related fossil species are to modern humans.
We wouldn't exist without acids, but, like a well-maintained swimming pool, our bodies have an optimal pH balance.
The bigger the bite -- the better to bite the heads off prey.
Our teeth contain the hardest mineral in the human body -- enamel. What is it, why is it so tough, and how did we get it? A fierce mini-predator from the long-ago deep may hold the answer that last question.
Here are some of the most fascinating facts to, ahem, chew on.
No one needs a reason to have a glass of wine, but a little vino can do the body good.
What will the future will be like, and how it will affect you personally? Well, actually, the medical future is already here.
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