Has the worlds 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.
\ufeffIn 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\u2019 memory, and reconstructing an Iron Age man\u2019s final meal.
Research Highlight: A caffeine buzz gives bees flower power
Research Highlight: The guts of a \u2018bog body\u2019 reveal sacrificed man\u2019s final meal
12:34 Eavesdropping on a glacier\u2019s base
We hear about one researcher\u2019s unorthodox attempt to listen in to the seismic-whisper at the foot of a Greenland glacier \u2013 a method that might reveal more about conditions under these enormous blocks of ice.
Research Article: Podolskiy et al.
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