Has the world’s oldest known animal been discovered?
Nature Podcast28 Juli 2021

Has the world’s oldest known animal been discovered?

Researchers debate whether an ancient fossil is the oldest animal yet discovered, and a new way to eavesdrop on glaciers.


In this episode:

01:04 Early sponge

This week in Nature, a researcher claims to have found a fossil sponge from 890-million-years-ago. If confirmed, this would be more than 300-million-years older than the earliest uncontested animal fossils but not all palaeontologists are convinced.


Research Article: Turner


10:13 Research Highlights

A caffeine buzz appears to improve bees’ memory, and reconstructing an Iron Age man’s final meal.


Research Highlight: A caffeine buzz gives bees flower power

Research Highlight: The guts of a ‘bog body’ reveal sacrificed man’s final meal


12:34 Eavesdropping on a glacier’s base

We hear about one researcher’s unorthodox attempt to listen in to the seismic-whisper at the foot of a Greenland glacier – a method that might reveal more about conditions under these enormous blocks of ice.


Research Article: Podolskiy et al.


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