The Revenge of Flash Friday - It's ALIVE! Anatomy Arcade "makes basic human anatomy come ALIVE through awesome free flash games, interactives and videos." There are two timed games: Whack-A-Bone and Poke-A-Muscle (both feature auto-playing music, but you can turn it off in PAM). For less stress, there are jigsaw puzzles to help you get familiar with the digestive system, skeletal system, muscular system, the brain, the eye and the heart. (Via everlasting blort)
Sea urchins do not have eyes, yet appear to be able to see where they are going. One posible answer: they may use the entire surface of their bodies as a compound eye.
Bernt Aune's corneas are 123 years old, which possibly makes them the oldest living human tissue on record. [more inside]
Scientists in the USA have discovered [NYTimes] a new cell in the eye responsible for resetting the biological clock. Its being called "heretical".. Not every day, Dr. Provencio said, do scientists find a new body function.