During World War I, scientists observed older soldiers' skin taking longer to heal, but didn't know why. Scientists may finally have an answer.
During earthquakes, why is it that some buildings tumble to the ground, while others stand tall?
Have you ever felt pain in your legs, or more of an uncomfortable tingling sensation really, up and down your leg from top to bottom?
Yet just as horses can cause paralyzing injuries, they can also help people learn to walk again through a form of physical rehabilitation called hippotherapy.