BBC Earth

Episode 1 – Impossible Feats

Preview

Episode 1 – Impossible FeatsEpisode 1 – Impossible Feats

It is said that fleas can jump the equivalent to us leaping over St Paul’s Cathedral and it is famously quoted that cheetahs can run at speeds of 70mph. But are these claims really true? The discovery of the world most elastic natural protein in insects and the development of a hi-tech tracking collar help reveal the true facts. So can these creatures really achieve what should be physically impossible?