Euglena, a single-celled microscopic algae, is cultivated at the Eugrena Co. research laboratory in Ishigaki, Okinawa prefecture, Japan, on Friday, June 19, 2015. After 10 years developing the algae as a nutritional supplement that feeds the company's $37.8 million in annual revenue, Euglena has been teaming up with corporate giants including All Nippon Airways and a unit of Chevron Corp. for its next phase. Photographer: Akio Kon/Bloomberg via Getty Images
