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Symbiosis is any type of a close and long-term biological relationship or interaction between two organisms of different species. Some anemones have these relationships.

Worldwide coral reefs are suffering from the impacts of climate change. Around the world researchers are pioneering ways to protect and restore coral reefs that have already bleached. Between these efforts and the amazing capacity for corals to adapt to healthier environments, there seems to be  some hope.   Corals can be attached to reefs piece by piece with cement, zip ties, and nails. (Photo: Reef Resilience Network)

Look carefully at these images.They almost look real. But they are actually astounding glass marine creatures created by the father and son artists/naturalists Leopold and Rudolf Blaschka. Every time I look at one I am awe struck by the extreme detail. How could they have done this?

In places around the world there are so many jellies in the sea that fishing nets and nuclear reactors become clogged with gelatinous blobs that also cover beaches and freak out tourists.These are signs of jelly blooms – when huge numbers of jellies, often in the millions, appear seemingly out of nowhere. There’s a perception that there are more jellies and jelly blooms in the ocean now. But, is that true?