Mysterious signals to bees. Some flowers attract bees with invisible to us colors and special signs. Wild flower begonia looks white to us, and for the bee â blue-green. Bees distinguish ultra-violet rays, which our eyes do not perceive. They see the pattern on the flower evening primrose, which we are not able to distinguish.
Osteoarthritis. A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage.
A. Arthritis is a general term that means inflammation of the joints. Osteoarthritis, commonly known as wear and tear arthritis, is the most common type of arthritis. It is associated with a breakdown of cartilage in joints and can occur in almost any joint in the body. It commonly occurs in the weight-bearing joints of the hips, knees, and spine.