A single magic number describes the locomotion of flying and swimming animals, from moths to dolphins. The finding could shed light on the flying skills of extinct animals and help defence researchers ...

Figure 2: Strouhal number for 42 species of birds, bats and insects in unconfined, cruising flight. Published ranges 3,4 of St in cruising fish and dolphins are included for comparison. Dotted lines ...

The movements of bumblebees and blue whales could not appear more different, but zoologist Graham Taylor of Oxford University finds an underlying similarity. He and his colleagues have discovered that ...