Why do penguins waddle BBC News

A team of scientists at London Zoo is trying to find out why penguins waddle instead of walk. Penguins did not always move like this, with fossils showing that their ancient ancestors moved in a different, more horizontal, way. A huge tropical cyclone with winds up to 270km, h (170mph) has devastated parts of the island nation of Vanuatu in the South Pacific. Cyclone Pam is being described as one of the most powerful storms ever recorded in the region with unconfirmed reports that 44 people have been kille