Skin anatomy is often more complex than people think. Learn more about skin anatomy at HowStuffWorks.
What exactly is an itch? Find out what your nerves register as "itching" and why you need to scratch so badly.
And now they've discovered the neural pathway in mice that's responsible for mechanical itching.
Eau de toe is all too common -- we all know someone with especially bad foot odor. But why are feet so likely to become so rank that a mere whiff is horrifying?