Waves filled with bioluminescent phytoplankton put on a blue light show at Seacliff State Beach in Aptos, Calif., shortly after midnight on Monday, Aug. 3, 2020. At night, when the phytoplankton are agitated by waves or other movement in the water, they sometimes emit a dazzling neon blue glow. (Shmuel Thaler/The Santa Cruz Sentinel via AP)