1.3M views · 11K reactions | Everything humans have ever experienced - art, science, language, technology - happened in a tiny fraction of Earth's history. | IFLScience | Facebook

3.3M views · 7.7K shares | If a timeline of Earth's history were laid out across a football field, where would humans show up? From NPR's Skunk Bear. | NPR | Facebook

We're all familiar with the layers making up our planet's structure. A study published in 2021 used seismic waves to build a more complex picture of what lays beneath our feet, finding the very core of our planet might contain a few secrets. Read more: https://www.sciencealert.com/scientists-detected-signs-of-a-structure-hiding-inside-earths-core #science #geology #earth | ScienceAlert