Miscellaneous
No one would argue that a starfish or a goldfish represents a pictue of superiority, but when it comes to the regenerative process, they have us beat. A starfish can regrow an arm if one is cut off. If the optical nerve of a goldfish is damaged the goldfish will generate a new working nerve. Things are not as simple for humans when it comes to the regenerative process. This week on Science on the Radio , Dr. Marvin Druger talks about the human body and it's ability to heal wounds.