US high schoolers design low-cost filter to remove lead from water

When the pandemic forced schools into remote learning, Washington-area science teacher Rebecca Bushway set her students an ambitious task: design and build a low-cost lead filter that fixes to faucets and removes the toxic metal.

source https://www.lifetechnology.com/blogs/life-technology-science-news/us-high-schoolers-design-low-cost-filter-to-remove-lead-from-water