NOLA.com LSU biologist makes biodegradable Mardi Gras beads that could make parades more green NOLA.com LSU Biological Sciences professor Naohiro Kato is creating biodegradable Mardi Gras beads entirely out of large amounts of microscopic algae, or microalgae, that can disintegrate over time in soil. Kato stated in a news release Tuesday (Feb. 6) that he ... Is New Orleans Mardi Gras overrated? LSU student writer throws shadeWGNO all 133 news articles ยป Continue reading...