Skip to footer

top

Meet Shrikari Punjala, the 7th grader who turned eggshells into calcium carbonate crystals that reduced bacterial growth

Updated 1 min read

Archived — last updated

Shrikari Punjala of Palatine, Illinois, extracted calcium carbonate from eggshells and tested it against four bacterial species. Her results showed reduced bacterial coverage, ranging from 55 to just over 71 percent depending on the…

Latest updates

No updates on this story yet.