or continue with email
News: The Curiosity Podcast is here! Subscribe on iTunes, Stitcher, Google Play Music, SoundCloud and RSS.
About 255 Nubian pyramids were constructed over the course of a few hundred years. The approximately 115 pyramids of ancient Egypt were constructed over a period of 3,000 years.
Love getting smarter? Sign up to our newsletter and get our best content in your inbox!
Our best articles a few times a week.
You just joined millions of people that love getting smarter every day. Your first email will arrive shortly.