Odds and Ends 

Diver Demonstrates the Amazing Pumping Ability of Sponges With an Awesome Visual

Emmy award-winning naturalist Jonathan Bird of Blue World, demonstrates the incredible pumping/filtering ability of sponges using a non-toxic dye called fluorescein.

Sponges are highly effective filter feeders since they are able to capture and eat particles as small as bacteria as well as larger particles.

Read more: https://twistedsifter.com/videos/diver-demonstrates-amazing-pumping-ability-of-sponges-with-dye/

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