Biosensor it affects marine organisms, especially plankton (floating microorganisms) and viruses that attack plankton. Plankton form the base of the marine food chains and are believed to affect our planet's temperature and weather by uptake of CO for photosynthesis. Deneb Karentz, a researcher at the Laboratory of Radio-biology and Environmental Health (University of California, San Francisco) has devised a simple method for measuring ultraviolet penetration and intensity. Working in the Antarctic Ocean, she submerged to various depths thin plastic bags containing special strains of "E. coli" that are almost totally unable to repair ultraviolet radiation damage to their DNA. Bacterial death
Food Chains (film) Food Chains (film) Food Chains is a 2014 American documentary film about agricultural labor in the United States directed by Sanjay Rawal. It was the Recipient of the 2015 James Beard Foundation Award for Special/Documentary. In Immokalee, Florida, migrant farmworkers pick fruits and vegetables that are sold to large US food wholesalers. However, their working conditions are shown to be less than favorable. As a result, they form the Coalition of Immokalee Workers (CIW) to raise awareness and improve their circumstances. Specifically, they go on a hunger strike to pressure Publix, a Florida-based food wholesaler, to pay them one penny