(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jayde N. Hirniak, Arizona State University (THE CONVERSATION) If you were lucky 74,000 ...

Approximately 74,000 years ago, a colossal volcanic eruption occurred, leaving an indelible mark on the entire planet. Archaeologists have now turned to an unlikely source, volcanic glass, to unravel ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The idea that a single volcanic eruption might have shaped ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. If you were lucky 74,000 years ago, you would have ...