The world, the universe and us How Jane Goodall changed the world; How the universe ends; How “selfish sperm” affect male fertility
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Oct 10, 2025 
Primatologist Alejandra Pascual-Garrido shares her experiences working alongside Jane Goodall, highlighting her groundbreaking research on chimpanzee tool use and lifelong advocacy for conservation. The discussion shifts to theoretical astrophysicist Katie Mack as she explores fascinating cosmic scenarios for the universe's end, from heat death to dark energy implications. Finally, insights on how older fathers' aging sperm mutations can impact offspring health reveal surprising risks and the phenomenon of 'selfish sperm' driving genetic issues.
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Walking With Jane In Gombe
- Alejandra Pascual-Garrido recalls walking with Jane Goodall in the Gombe forest, watching chimps guide her movement even in her late 80s.
- Jane's calm, curious presence and storytelling deeply inspired researchers and visitors alike.
Chimpanzees Have Inner Lives
- Jane Goodall's patient observations revealed chimpanzees have personalities, emotions and complex social behaviors.
- Her naming method and empathetic approach changed scientific norms and opened study of animal inner lives.
Termite Fishing Reveals Complex Cognition
- Termite fishing shows chimpanzees use planned, selective toolmaking and mothers teach infants the skill.
- These behaviours imply foresight, material selection and cultural transmission in wild chimps.
