Sludge treatment

B12 in Celsius energy drinks is not made from sludge found at human sewage treatment plants

Residue from human waste has long wound up as farm fertilizer. Some neighbors hate it

SciFind on Instagram: "An ancient fish adaptation may help solve one of today’s biggest plastic pollution problems. Inspired by the way certain fish feed, researchers in Germany have developed a filtration system capable of removing up to 99% of microplastic particles from water. The design mimics the natural filtering structures found in the mouths of fish such as sardines, anchovies, and mackerel—species that have evolved over millions of years to capture microscopic prey while letting clean w