How did the ancient Andeans and Egyptians move the massive stone blocks used to build their monumental architecture? With an abundance of human muscle power but only simple hand tools, they needed to be creative. Floating blocks on boats across lakes and along river channels was a possible transport method—but did they have the water and the engineering technology for this?
Deep in equatorial Africa, a high mountain range known as the Mountains of the Moon played a prominent role for centuries in myths about the source of the Nile River. An absorbing history of these mountains is published in a blog post in Volcano Café. As Albert, who wrote the post, states “They are mountains without a cause.”