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title: Ocean Insights December 11, 2025
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Ancient sedimentary rocks document the ocean’s first breath

| View in browser December 11, 2025 GIVE EXPLORE SHOP Ahoy Friend! For two billion years, the ocean was oxygen-less. A new WHOI study analyzing ancient sediments reveals when that all changed. Plus, read how reef scientists are taking a holistic approach to treating sick corals, and rethink your salads with these delectable seaweeds. Welcome aboard! Press Room When the sea learned to breathe A WHOI-led study reveals how oxygen first reached Earth’s ocean Oceanus Reef Rx WHOI’s Reef Solutions team uses human health protocols to find and aid ailing reefs Ocean Learning Hub Edible seaweeds Sustainable and packed with flavor? Download our graphic to learn about delicious varieties of sea lettuce! Around WHOI All aboard the Polar (Research) Express With Santa & Mrs. Claus riding in Alvin, our float picks up another first-place award at the annual Falmouth Christmas Parade Around WHOI All aboard the Polar (Research) Express With Santa & Mrs. Claus riding in Alvin, our float picked up another first-place award at the annual Falmouth Christmas Parade WHOI in the News The New York Times Dodging icebergs and storms on the hunt for an ocean tipping point CBC Breath samples collected by drone hold clues to health of North Atlantic right whales ON&T WHOI selected by NASA to investigate ocean worlds and their organic carbon cycles Live Science Are biodegradable plastics really worth the hype? WHOI STORE ‘Tis the season 🎄🌊 Find the perfect gift for the ocean-lover in your life while supporting marine science! WHOI STORE ‘Tis the season to give WHOI Find the perfect gift for the ocean-lover in your life while supporting marine science! GIVE EXPLORE SHOP   GIVE NOW SHOP WHOI   Follow us #WHOI                     Copyright ©2025 Woods Hole Oceanographic Institution.  All rights reserved. 266 Woods Hole Road, Woods Hole, MA, 02543-1050, U.S.A. General Information: information@whoi.edu or  (508) 548-1400  Privacy Policy Unsubscribe \| Manage Preferences   |
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