Some bodies were stripped of their valuables and left bobbing in shallow ponds; others sank to the bottom, protected from plundering by a meter or two of water. (sciencemag.org)
An algae cultivation model favored by Zivo Bioscience eschews complex and costly fermentation systems, photo - bioreactors, panels and tubes associated with microalgae production in favor of the most basic and cost - efficient models: a covered, shallow pond constructed of inexpensive, readily - available materials obtainable in many parts of the world. (fooddrink-magazine.com)
Using a six - square - mile test plot, they found that the organic carbon comes from shallow ponds that were dug to provide soil for flood protection. (scientificamerican.com)