Ruby Tuesday restaurants are celebrating Earth Day this year with several new green initiatives. The international chain has more than 900 company-owned and franchised restaurants and almost 50,000 ...
Gem hunters have always been natural geologists, seeking the mother lode long before researchers explained how gems and minerals form. Now, scientists want to officially link precious gems to their ...
The 23.1-carat Carmen Lucia Ruby, donated to the Smithsonian Institution.
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