Do intelligent people have more zinc and copper in their hair?

It’s a well-known fact, that intelligent people have more zinc anc copper in their hair. But is it true? In fact, this is a difficult question, because there isn’t a thing that proves this, but there’s also nothing that tells us it’s wrong. One researcher had considered that perhaps they have more heavy metals in their hair and well, it acts like an antenna and thus they can... 

Do nails grow after death?

Most physicians queried on this one initially thought it was true. Upon further reflection, they realized it’s impossible. Not surprisingly, the fact most often offered up as revealed truth is wholly false: Your hair and nails do not continue to grow after you die; it’s all optical illusion. The sorry fact of the matter is that we dehydrate after dying. Our flesh dries and, in so doing,... 

Did you know a toothbrush’s origins?

The toothbrush is an instrument consisting of a small brush on a handle used to clean teeth through tooth brushing. Toothpaste, often containing fluoride, is commonly added to a toothbrush to aid in cleaning. Brushing teeth, a common activity today, has been around for a long time. The toothbrush as we know it today was not invented until 1938. From around 3000 BC, people used anything from a ‘chew... 

Why do people turn grey?

Getting gray, silver, or white hair is a natural part of growing older, and here’s why – as we get older, the pigment cells in our hair follicles gradually die. When there are fewer pigment cells in a hair follicle, that strand of hair will no longer contain as much melanin and will become a more transparent color – like gray, silver, or white – as it grows. As people continue...