Blue balls occur when an erection lasts for an extended period of time without ejaculation. It can be uncomfortable but usually isn’t serious. Blue balls, known medically as epididymal ...
Blue light is a specific kind of light with a short wavelength. This type of light is emitted from your computer screen, your mobile device, your flat-screen television, and many other devices ...
“Let’s rest, and I’ll tell you how I recreated Maya blue.” The Sacred Cenote in Chichen Itza, Yucatan, Mexico, is a natural well used by the Maya in religious ceremonies, including human ...
Congenital dermal melanocytosis — more commonly known as Mongolian blue spots — is a kind of birthmark commonly found in newborns. Also known by the name slate gray nevus, Mongolian blue spots ...