Arizona Daily Star15h
This market will feature 100 makers, food trucks, live music, tattoos + more
Save the date for #ThisIsTucson's third annual market featuring 100 vendors, food trucks, live music and more on Feb. 22 in ...
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...