Detailed text transcripts for TV channel - DW - 20180920:07:52:00
Developers have also influenced design frogs were the inspiration behind flippers for example. gave rise to friction materials that can also provide the sea. this is the aquatic fern. commonly known as korea. it doesn't look like anything special. but underwater it looks like it's plated with over the leaf structure of the fern a layer of air when submerged and the surrounding water creates a silvery envelope. they hold the water so firmly in place that no air scapes. botanists