Watch

Why Does San Diego's Ocean Glow Blue?

11/06/24 | 1m 53s | Rating: NR

Just off San Diego's shore, single-celled algae called dinoflagellates start to reproduce and if disturbed, a chemical reaction within the cell creates a tiny spark of light. When the conditions are right, the algae multiply and the coastal waters glow blue.

FacebookRedditGoogle ClassroomEmail
Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, The Fairweather Foundation, Charles Rosenblum, Kathy Chiao and Ken Hao, Sarah and Sandra Lyu in memory of Seung and Dorothy Lyu, The Lillian Goldman Charitable Trust, Dr. George Stanley and Sandra Caruso, Colin S. Edwards, Kate W. Cassidy Foundation, Filomen M. D’Agostino Foundation, Gregg Peters Monsees Foundation, Koo and Patricia Yuen, Seton J. Melvin, Sandra Atlas Bass, George D. Smith Fund, Inc., Dr. Coralyn W. Whitney Program Fund for Science and Nature, Bradley L. Goldberg Family Foundation, The Hite Foundation, Arlene and Milton D. Berkman, Paul H. Klingenstein and Kathleen R. Bole, Perpetual Kindness Foundation and Sun Hill Renewal Fund, Paul L. Tilley and Family, Kitty Hawks and Larry Lederman, and by Viewers Like You.
View Transcript
Donate to Sign Up

Make your membership gift today

Activate Account

Only for new users: Activate Passport using your code or email address

Sign in to Passport

Already a member?
Look up my account

Need some help? Go to FAQ or visit PBS Passport Help

Need help accessing PBS Wisconsin anywhere?

Need help accessing PBS Wisconsin anywhere?