"The group has not yet settled on a name for the mystery material. Jena calls it U-carbon—U for unusual. But Therrien, inspired by medieval alchemists who sough

"The group has not yet settled on a name for the mystery material. Jena calls it U-carbon—U for unusual. But Therrien, inspired by medieval alchemists who sought in vain for “adamant,” an unbreakable lodestone, is calling it adamantia." Is adamantium trademarked? https://www.sciencemag.org/news/2019/11/next-graphene-shiny-and-magnetic-new-form-pure-carbon-dazzles-potential https://www.sciencemag.org/news/2019/11/next-graphene-shiny-...