Bioscience:Wild Moves — Swimming
From the largest whales to the smallest fish， all animals that live in water have had to adapt to the problem of moving through it and they’ve come up with a remarkable variety of ways of reducing drag and controlling their buoyancy. By studying them we’ve been able to uncover some of their secrets and even use those secrets ourselves when we take to the water.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/17 15:56:11