Blue-throated macaws, a critically endangered parrot species, have demonstrated automatic imitation of intransitive (goal-less) actions—a phenomenon previously documented only in humans.

66 x 50 cm. (26 x 19.7 in.) ...

Since 2022, it's joined the likes of the lumpy brown Wyoming toad, the black Hawaiian crow and vivid blue Spix's macaw on the growing list of species dying out in nature. Around 30% of 150,000 ...

21.75 x 26.5 in. (55.2 x 67.3 cm.) ...

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 ...

Mya is a beautiful red Macaw parrot who lost her toes and part of one of her wings when she was just a week old. She was taken to the vet to be euthanized, but her will to live was strong ...