Four elements: Wind

The seeds of the dandelion are designed like little umbrellas, so to speak, in a structure called Pappus. The air pressure that is created around this structure is called SVR (separated vortex ring) and enables a stable flight without tumbling, making sure the seeds are spread at a large range.

Source: www.tagesspiegel.de/wissen/botanik-und-bionik-die-technol...

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