Welcome back to Top 10, our most-read stories from the week. I hope those who celebrate had a lovely Thanksgiving! Readers loved our science-backed explainer of the four key turning points for the brain as you get older as well as an examination of Roman society’s cruelty toward the disabled. You also have not stopped devouring our incredible interactive on a recent theory about how the pyramids in Egypt were actually built. Enjoy!

—William O’Connor, Newsletter Editor 

Giza's Great Pyramid is comprised of over two million stone blocks, some weighing more than 50 tons. But how did they get there? One hypothesis is gaining traction, thanks to recent discoveries—including a hidden diary and a lost river.  

Today’s newsletter was edited and curated by William O'Connor and produced by Amanda Williams-Bryant. Let us know if you have suggestions and sign up here to get the Photo of the Week on Sundays.