d) The last time you splurged on a live lobster for dinner, you might not have given any thought to how much the little guy was going to suffer as he boiled to death.
a) Until recently many researchers believed the crustacean nervous system too primitive to process pain.
c) Scientists at Queen's University in Belfast now think that crustaceans may be more sensitive to pain than previously thought.
b) And they found that crabs that experienced an electric shock when they hid under a safe, dark rock would eventually learn to avoid the hiding place.
