Ruby is an incredibly durable gemstone if there are no treatment-related durability concerns. - Courtesy Jan Goodman Co. Hardness and toughness Gem and mineral hardness is measured on the Mohs scale.
To study the role of large inversions in the massive evolutionary radiation of Lake Malawi cichlids, we used long-read technologies to identify four single and two tandem inversions that span half of ...
Shell-dwelling cichlids are known for their remarkable parental care, raising their young in abandoned snail shells. Researchers from the Max Planck Institute for Biological Intelligence have ...
Former family vlogger Ruby Franke might have shared snippets of her home life online, but viewers had no idea what was really going on behind closed doors for years. Police swooped on the Utah ...
Researchers realized they’d discovered a new species: Telmatochromis salzburgeri, or Salzburg’s cichlid. A Telmatochromis salzburgeri, or Salzburg’s cichlid. Photo from Frederic Schedel ...
The eldest daughter of Ruby Franke, who was convicted of physically and emotionally abusing her children, has revealed the torment she went through in a new memoir. Shari Franke, 21, who reached ...