Cambrian explosion; myriads of new species; jellyfish; Lisa-ann Gershwin; Stung! On Jellyfish Blooms and the Future of the Oceans; Tim Flannery; They’re Taking Over;

Half a billion years ago, before what is known as the Cambrian explosion when myriads of new species sprouted in the oceans, jellyfish roamed the seas. Jellyfish adapted to sharing their environment with other animals and continued to thrive for hundreds of million years, and they are with us now. But things are changing for [...]