Today's episode reveals groundbreaking discoveries that are rewriting what we know about the universe and life itself. Dark matter has just passed a crucial test showing it follows familiar physical laws, while scientists have achieved the impossible—sequencing the oldest RNA ever found from a 40,000-year-old woolly mammoth frozen in Siberian permafrost. We also explore how chimpanzees demonstrate remarkably human-like reasoning by changing their minds when presented with new evidence, and dive into promising Alzheimer's research showing how stopping tau protein clusters at their earliest stage could prevent the disease before irreversible damage occurs. Plus, the shocking discovery of a prehistoric Level 7 super-predator that made today's killer whales look tame.

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