A new paper (“A separated vortex ring underlies the flight of the dandelion“) published in Nature tells how dandelion seeds create a vortex that keeps them floating through the skies. This little video shows and tells the story of that:
(Thanks to the ever-discovery-filled Cocktail Party Physics for bringing this to our attention.)
UPDATE (October 21, 2018): Nature published an editorial about this discovery, in which they say: “The floating of a seed shows how appreciating the wonders of the Universe can begin with a new look at the everyday.”