Cleanrooms are used to manufacture sterile products and have different classifications based on regulatory standards. The ISO has classifications from 1 to 9, with 1 being the cleanest. Cleanrooms are tested for particles and divided into manufacturing areas. Different countries have different standards, but all aim to prevent contamination of products. Cleanrooms are industrial rooms […]
Paleontologists struggle to classify some fossils, including the Vendozoa and Cloudina from the Ediacaran period, and Anomalocaris from the Cambrian period. The Ediacaran biota is particularly mysterious, with conflicting interpretations of its organisms’ affinity. Many organisms become easier to classify after the Cambrian period. Sometimes, paleontologists dig up hard-to-classify fossils. Some fossils are so cryptic […]
