With the head of a lion and tail of a fish, the mythical Merlion is an apt symbol for Singapore - a city that roared its way from a tiny fishing village to a thriving metropolis. This National Day, AUDREY TAN and CHNG CHOON HIONG speak to experts to piece together the anatomy of the Merlion, based on established science. We learn how even the unlikeliest of creatures can beat the odds, just as Singapore did.