Science Quickly Sinking Cities, Waving Cuttlefish and Falling Spacecraft
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May 12, 2025 A 1970s Soviet spacecraft is on a collision course with Earth, leaving everyone guessing about its landing spot. Meanwhile, all 28 major U.S. cities are gradually sinking, raising concerns over urban flooding. The podcast also tackles the startling role of the wealthiest 10% in climate change, accounting for two-thirds of warming. On a lighter note, researchers delve into cuttlefish communication, unveiling their complex arm gestures and social interactions in the ocean.
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Soviet Spacecraft's Uncertain Crash
- Cosmos 482, a Soviet spacecraft launched in 1972, has been orbiting Earth but is now descending uncontrolled.
- Its potential crash zone covers much of the Earth except polar regions, with uncertain impact on land or ocean.
U.S. Cities Are Sinking
- All 28 most populated U.S. cities are sinking, mainly due to groundwater extraction.
- Uneven sinking within cities risks tilting foundations and infrastructure, increasing flood vulnerability.
Wealthy Drive Climate Warming
- The wealthiest 10% are responsible for two-thirds of climate change warming through consumption and investments.
- Top 1%'s investments in high-carbon industries drive a significant portion of climate impact.