The findings support the hypothesis that such whistles may have been used in Aztec religious rituals or perhaps as mythological symbols. Click to expand... Or, given the fear it inflicts on those who ...

Its fear-splitting screech reverberates throughout space and time. Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An obsidian ...

New archaeological research by Tulane University and the Proyecto Templo Mayor in Mexico reveals how obsidian – a volcanic glass used for tools and ceremonial objects and one of the most important raw ...

Ancient cultures were what they were and are completely and irrevocably out of our reach when it comes to change. Instead of griping about something over which you have no control, try working toward ...