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New Scientist Podcasts

Weekly: Antarctica special, brain implant made from living cells, best TV and film of 2024

Dec 6, 2024
James Woodford, an Australia reporter for New Scientist, covers the urgent Antarctic summit addressing alarming sea ice loss. Jeremy Su, a brain-computer interface expert, shares insights on a groundbreaking brain implant made from living neurons, opening up possibilities for patients with ALS and stroke. Meanwhile, Bethan Ackerley, culture critic, reviews the most exciting science fiction TV and films of 2024, including titles like 'Fallout' and 'Dune Part 2', highlighting their innovative narratives and cultural relevance.
32:22

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Quick takeaways

  • The unprecedented melting of Antarctic sea ice, akin to a once-in-700 billion-year event, poses dire global ecological and climate threats.
  • A revolutionary brain-computer interface using living neurons could transform treatment for neurological conditions by enabling less invasive connections with the brain.

Deep dives

Alarm Over Antarctic Sea Ice Loss

The significant decline in Antarctic winter sea ice has raised alarm among scientists, particularly during a recent emergency summit that gathered nearly 500 researchers in Hobart, Tasmania. In 2023, the sea ice extent was recorded at 1.55 million square kilometers below expected averages, representing the lowest levels since satellite observation began, an area larger than the United Kingdom. Researchers calculated this drastic decrease as equivalent to an event predicted to occur once every 7.5 million to 700 billion years, highlighting the unprecedented nature of the changes. The consequences extend beyond regional implications, as the loss of sea ice leads to increased ocean heat absorption, alters salinity levels, and affects ecosystem dynamics globally.

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