Two Norwegian scientists

Two Norwegian scientists were operating on a frog….


They taught it to jump on command. When

they said “Jump!” it leaped forwards.

They removed one rear leg and said

“Jump!”. The frog leaped forwards.

They removed the other rear leg and said “Jump!”,

but nothing seemed to happen.

After much discussion they could conclude that if

you remove both rear legs

from a frog, it becomes