one must watch this..
A great way to see how a jellyfish moves? Luminescent dye, as shown by Kakani Katija. Photo: Ryan Lash/TED
The final session of TEDYouth 2014 focuses on what makes us human — the way we talk, the way we walk, the words we sing, the waves we surf.
How jellyfish swim. On land, animals leave footprints that tell us a lot about their size, form and capabilities. Marine organisms do too—their footprints are “wake structures,” but they are hard to see since water is translucent. Bioengineer Kakani Katija finds ways to make them visible—using dyes, lasers and more—and measurable. Through this research, she and her intrepid collaborators can understand how sea organisms move, and the complex interplay between…
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