#Seas & #Oceans picks of the day:
➡️ @span globalmaritimehistory - Website for maritime historians of all levels & fields
➡️ @span PolarBremen - Research group using satellites to monitor polar sea ice
➡️ @span marinebio - Non-profit marine conservation & science org
➡️ @span helenczerski - Physicist, oceanographer, author of Blue Machine
➡️ @span kate - Marine ecologist, videos on sea life & gardening
➡️ @span SylvieAlvarezArt - Abstract scupltor inspired by sealife
➡️ @span AmericanSailing - American Sailing Association
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