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	Podcast:		Science in Action
	Episode:		The Beginnings of Us
	Category:		Religion & Spirituality
	Duration:		00:28:40
	Publish Date:		2023-06-08 20:00:00
	Description:		The origin of all complex life has been traced back 1.6 billion years as new molecular fossil records have discovered the fatty stains that our ancient single celled ancestors have left behind. Jochen Brocks, Professor of Geobiology at Australian National University, discusses the significance of these unique biological signatures. 1 billion years later, to a mere 462 million years ago, life on Earth was experiencing a boom of new species but we have very few fossil records to understand this era. Now, palaeontologists Dr Joe Botting and Dr Lucy Muir have found the most abundant deposit of soft bodied fossils from this time in a tiny Welsh quarry. Next, to the relatively recent past, 350 thousand years ago, where remains found in a South African cave suggest that an extinct species of human, Homo naledi, buried their dead. But Mike Petraglia, Professor of Human Evolution and Prehistory at the Max Planck Institute, doubts these claims. And in the modern day, the fungi which have colonised our soil for millions of years are still helping us clean up the atmosphere. Professor of Plant-Soil Processes at the University of Sheffield, Katie Field, tells us about the astounding amount of carbon captured by the fungus beneath our feet. Image: Artist’s imagination of an assemblage of primordial eukaryotic organisms of the ‘Protosterol Biota’ inhabiting a bacterial mat on the ocean floor. Credit: Orchestrated in MidJourney by TA 2023 Presenter: Roland Pease Producer: Ella Hubber
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