The Biggest Loss in Oconography

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Yevgeni Yegeni lost his underwater censer 16 days ago. His colleagues tried to retrieve it by playing an acoustic signal that causes the probe to release its anchor and return tothe surface. The probe didn't heed the call, and it was nowhere to be seen. He received word from some innuit people's several kilometers from where the probe should have resurfaced. A hunter found our center in the open water, new spread and micelix could come and pick it up. And he found it, and even used it to make some estimations of the glacier's movement.

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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