It does it, it turns out, with the same denticles that you had on Speedo bathing suits, that broke all those records in the Olympics, but it's a particular kind of pattern.
Izrādās, haizivs to dara  ar tādiem pašiem zobiņiem, kādas atrodamas Speedo peldkostīmos, kuri pārspēja visus olimpiskos rekordus, bet tām ir īpatnēja struktūra.