Aftershock: The Next Economy and America's Future by Robert B. Reich. âAftershockâ¦â is the interesting concise book that deals with how our economy came to be, how we can learn from history and some specific ideas on how we can address these problems.
Both the cardiac muscle and nervous tissue in the brain and spinal  cord have no functional regenerative capacity.
Newts, salamanders, and sea stars can replace lost limbs; skates, rays, and sharks can regenerate kidneys; some kinds of worms can even grow into two new, separate individual worms if they're cut in half. Mammals, on the other hand, have very limited regeneration abilities. In humans, the only organ known to truly regenerate is the liver; young children also can sometimes crudely regenerate lost fingertips. But if you lose a limb, an eye, an ear, or any other part, you're out of luck.