Imagine drifting through the ocean, surrounded by creatures so alien and ancient that they predate dinosaurs, trees, and even ...

they provide the basic building blocks the jellyfish use to grow the elegant and complex structures of their bodies. So, the jellyfish, through their symbiotic algae, absorb the light, the energy ...

Each morning around 6, when dawn brightens the eastern sky, they begin to swim toward the light. Pumping water through their bells, these jellyfish use a type of jet propulsion to follow the ...