“I remember once reading that it is still not understood how the giraffe manages to pump an adequate blood supply all the way up to its head; but it is hard to imagine that anyone would conclude tht giraffes do not have long necks. At least not anyone who had ever been to a zoo.”

“I remember once reading that it is still not understood how the giraffe manages to pump an adequate blood supply all the way up to its head; but it is hard to imagine that anyone would conclude tht giraffes do not have long necks. At least not anyone who had ever been to a zoo.”

— Robert Solow