How were the pyramids built?
How were the pyramids built?  
Podcast: Ask the Naked Scientists
Published On: Fri May 24 2024
Description: This time on Ask!, Dr Chris explains how tree rings helped scientists confirm last summer was the hottest for 2000 years. Also, how were the pyramids built? And where are we with understanding and treating Alzheimer's disease? Like this podcast? Please help us by supporting the Naked Scientists