A Two-Headed Fossil, 50/50 Spider, And World-First Butt Drag

A Two-Headed Fossil, 50/50 Spider, And World-First Butt Drag

From IFLScience - Break It Down by iflsciencebreakitdown

October 10, 2025 · 33 min · Episode 79

About this episode

This episode discusses various scientific discoveries including a two-headed fossil, a pig liver transplant, and a rare spider.

This week on Break It Down: 3I/ATLAS is a 10 billion-year-old time capsule, a world-first fossil captures the moment a rock hyrax dragged its butt 126,000 years ago, a living person received a pig liver transplant for the first time, the “oldest human habit” might not be what it seems, a rare gynandromorph spider is a 50/50 wonder, and what is this prehistoric creature with two heads? We asked a dinosaur expert. So, sit back, relax, and let’s Break It Down… Links: 3I/ATLASButt drag fossilTrackways of fish leaving the oceanPig liver transplantOldest human habit50/50 spiderTwo-headed fossilSword Dragon of DorsetCURIOUS magazineWhat lives in Loch Ness?The Big QuestionsWhat’s all the fossa-bout?

Topics covered

  • fossils
  • transplants
  • gynandromorphs
  • prehistoric creatures
  • human habits
  • spiders

Keywords

  • fossil
  • butt drag
  • pig liver transplant
  • gynandromorph spider
  • two-headed fossil
  • oldest human habit
  • 3I/ATLAS

Mentioned in this episode

Organizations: 3I/ATLAS

Books & works: CURIOUS magazine

Places: Loch Ness, Dorset, ocean, fossa

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