Monthly Archives: June 2013

Ocean acidification and sea urchins

Like many other invertebrates, sea urchins may be vulnerable to increasing acid levels in the ocean. The hard parts of urchins (such as the sea urchin in our photo) are made up of calcite, magnesium-rich calcium carbonate. Ocean acidification could more »

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Be an ocean hero with the Seattle Aquarium during World Ocean Weekend, June 8-9!

Celebrate the world’s one big ocean with us. This year’s focus is ocean heroes: everyone, no matter where they live, can help keep the ocean clean and healthy. Learn how with a variety of hands-on activities and special demonstrations at more »

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