SANDSTONE, Minn. — Row by row, stitch by stitch, the toys took shape. Green dragons and pink pigs and a bunny with multicolored stripes on its ears where the skein of yarn started to run low. It took ...
Gravity, not glue, allows towering sandstone pillars and arches to withstand howling wind and pouring rain, researchers propose July 20 in Nature Geoscience. Sandstone forms when tiny sand grains bind ...
Igneous rocks are rebels. Sedimentary rocks follow straight-forward rules—they are deposited in horizontal layers, with the oldest sediments on the bottom. Igneous rocks can do what they want. Molten ...
The Smithsonian Castle was built in the 1850s, using the red sandstone from the Seneca quarry. Author Garrett Peck tells the quarry’s story in his new book, The Smithsonian Castle and the Seneca ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results