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Science Friday: Ancient Earth May Have Smelled Like Rotten Eggs

Curated by ACT

Learn how early Earth may have smelled like rotten eggs with this audio lecture! Lecture discusses bacteria-like creatures living nearly two billion years ago belched hydrogen sulfide, the signature stench of rotten eggs. [11:34]

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Additional Tags
bacteria-like organisms, science friday, ancient earth, earth's age
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)