Today's episode reveals a parasite that has infected shellfish for nearly half a billion years, surviving multiple mass extinctions. We explore orcas in Mexico's Gulf of California using sophisticated hunting strategies to extract shark livers, and uncover a molecular link between alcohol addiction and liver damage involving sugar metabolism. Plus, groundbreaking bacterial cancer therapy that works without the immune system, AI decoding gut microbe communication, and why physicists say the universe cannot be a simulation. We also examine new findings on intermittent fasting, the global chronic kidney disease epidemic, and Egypt's newly identified 13-foot marine crocodile from 80 million years ago.

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