Detailed text transcripts for TV channel - DW - 20180917:17:52:00
What is clear jennifer's have developed one of the most efficient forms of propulsion. movement. other developers have also influenced design frogs with the inspiration behind flip is for example. friction materials but can also provide the see. this is the aquatic fern. commonly known as career. it doesn't look like anything special. but underwater it looks like it's plated with silver the leaf structure of the fern retains a layer of air when submerged and the surrounding water creates a silvery envelope. at the leaf surface fine hairs repel water but the leaves also support eggbeater shaped...
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