In the 1980s, seismic data revealed the two colossal, continent-sized blobs of material in Earth's mantle, thousands of kilometers beneath the Pacific Ocean and the continent of Africa. A new study by ...

The mantle, a zone between our planet’s thin crust and the molten core, features 1,800 miles (2,900 kilometers) of mostly solid rock, with a consistency like thickened caramel that scientists ...

A few times weekly we put our favorite free crochet patterns. There may also be an option for a PDF version from Etsy. If you find a great free pattern, let us know on Facebook Pattern Instructions ...