english: So basically what I didn't tell you is that about 500 million years ago, the organisms started making materials, but it took them about 50 million years to get good at it -- 50 million years to learn how to perfect how to make that abalone shell.
non_english: Ono što vam nisam rekla je da su pre oko 500 miliona godina, organizmi počeli da stvaraju materijale, ali im je trebalo oko 50 miliona godina da bi postali dobri u tome. I trebalo im je 50 miliona godina