Between Two Nerds #3 | Earth's Layers, Gravity & Fundamental Forces | Science Podcast

Layla, aged 11, asks the nerds about the layers of the Earth, gravity and the fundamental forces.
She has questions about why the Earth has so many layers and what the core, mantle and crust are made out of. She also questions the nerds about why gravity is different on other planets and the other fundamental forces of nature.
We talk about geology, how we know what's in the interior of the Earth, gravity, the electromagnetic force and the strong and weak nuclear forces.
This is Episode 3 of Between Two Nerds, a science podcast for curious minds, where we invite a small human being to sit between two nerds and let their curiosity loose in an unscripted conversation exploring the wonders of science.
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