Scientists watched butterfly wing scales form within the chrysalis.
Researchers discovered the 100,000 year old tusk of a mammoth off the coast of California
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Does your city stand out for innovative urban design?. Clockwise from top left: Raul Arboleda/AFP/Getty Images; Herrera Inc.; Tourism Malaysia; Municipalidad de CurridabatWelcome to the new and improved metropolis. The post These young cities are solving