This satellite image shows a bloom of the marine algae E. huxleyi turning the seawater off Newfoundland a milky turquoise. E. huxleyi and a related algal species, Isochrysis, both produce long-chain hydrocarbons called alkenones. (courtesy of NASA Earth Observatory)

February 23, 2015Full resolution (700 × 450)

This satellite image shows a bloom of the marine algae E. huxleyi turning the seawater off Newfoundland a milky turquoise. E. huxleyi and a related algal species, Isochrysis, both produce long-chain hydrocarbons called alkenones. (courtesy of NASA Earth Observatory)