This is actually a test showing how sponges pump water through themselves for filter feeding!
They simply colored the water around them so you could easily see the process :D
Sponges will never cease to fascinate me!
this is what big corporation and government are doing to our coral reef’s… donate money to my fund to stop deep sea gas poisoning like the kind seen in this photoset. send all your money to email@example.com
Thirty minutes until Roundabout launches on the Steam Store!
Here’s our brand spanking new launch trailer! I don’t have any words left! I used them all! I hope you enjoy our game! Don’t forget to buy it!
100lb of Magnetic Putty
science side of tumblr, please explain