If you draw with a pencil, you can tell how soft the graphite inside is. Pieces of graphite break off to leave the pencil mark. But can you imagine drawing with a diamond? Diamonds and graphite are ...

What is the rock cycle? There are three types of rocks — igneous, sedimentary, and metamorphic — that have formed over time in the Earth's different layers. A rock can begin as one type and can change ...

CC0 Usage Conditions ApplyClick for more information. Did you know that minerals are all around us? Minerals are the building blocks that make up rocks! They are the ores that we extract metals from ...

RICHMOND, Va. (WRIC) — In honor of National “Collect Rocks” Day, here’s a look at the wide variety of minerals — such as crystals and precious metals — that can be found across Central Virginia. Sept.

My husband jokes that, as a biologist and general wildlife lover, I'm only interested in something if it has four legs and a tail. And he is pretty much right – it has to be really special to draw my ...

Ready Jet Go is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Growing up, rocks were a big deal in our family. As members of Spokane's Rock Rollers Club, my grandparents won dozens of awards for their pristine petrified wood specimens displayed at the club's ...

A.K. Miles of Salem spent summers as a little girl traveling the Pacific Northwest with her grandparents, collecting rocks and helping her great-grandfather cut and polish them in his lapidary shop.

Strong and weak rocks transform the landscape through erosion, and a new study reveals that soil resistance alters this erosion by up to 20x.