Recently, a rock sample from the Neolithic structure Stonehenge made its way to a science lab after 60 years in a private collection. Here's what we learned from it. Read the transcript. Check out all the Quick and Dirty Tips shows. Subscribe to the newsletter for regular updates. Join the conversation on Facebook and Twitter. Links: https://www.quickanddirtytips.com/education/science/the-science-of-stonehenge https://www.quickanddirtytips.com/podcasts https://www.quickanddirtytips.com/subscribe https://www.facebook.com/qdteinstein https://twitter.com/qdteinstein