The information from the PET scan and from the CT scan is different but complementary. The PET scan shows areas with increased metabolic activity, while the CT scan shows detailed anatomical locations ...

The human brain and eyes process light into color, allowing us to see various hues and shades of the rainbow. But our furry friends see differently than we do. You are out for a stroll with your ...

Can dogs see color? The truth behind your pet's eyesight. Feline vision can be equated to that of a colorblind person, according to Purina. Cats see "muted tones of blues, yellows, greens and grays." ...