On today’s episode: How have stars affected our trees? New research makes us question what we know about the gender roles of hunter gatherers. What are isotopes and why do they matter? All that and more today on All Around Science...

LINKS:

• ARTICLE: Tree rings may hold clues to impacts of distant supernovae on Earth
• ARTICLE: Early big-game hunters of the Americas were female, researchers suggest

THEME MUSIC by Andrew Allen https://twitter.com/KEYSwithSOUL http://andrewallenmusic.com

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