Category: Culture

Are there pink pearls?

Pink and Lavender Pearls Pink and lavender is a naturally occurring color found predominately in freshwater pearls. These subtle, pastel colors are not th...

Do rats wag their tails?

Rats may "wag" or writhe their tails on the ground. This action has many names, such as tail wagging, tail swishing, and tail writhing. Tail wagging may i...

Is strabismus genetic?

Since strabismus is one of the major causes of amblyopia early detection and treatment is important for preventing this development. For centuries it has ...