Stromatolites - Jan 2021 BBC Travel
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English - January 26, 2021 21:25 - 12 minutes - 3.12 MB - ★★★ - 9 ratingsScience Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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3.5 billion year-old stromatolites built the oxygen in Earth's atmosphere to 20%, giving the kiss of life to all that was to evolve