Seeing past the jellyfish sting
Much-maligned jellies offer plenty of good to their ocean ecosystems
FREE FLOAT The clear bell of a gelatinous hydrozoan is a floating home for a jelly-rider called a hyperiid amphipod. As homes to some creatures, dinner to others and more, jellyfish are an integral part of the oceans.
Alexander Semenov/Cultura Science/Getty Images
Robots that hunt down and exterminate jellyfish: Good or bad idea? Discuss.