Page 4 - Chip Clark News Today

April 15th, 2021, 6:00AM / BY Abigail Eisenstadt The periodical cicada species, Magicicada septendecim, will erupt from the ground this spring in the mid-Atlantic region. The last time the species from Brood X appeared for their cyclical mating cycle was in 2004. (ARS Information Staff, USDA) When eight inches below the ground warms to 64 degrees, the invasion of the Washington metropolitan region will begin. Countless young cicadas will erupt from the soil, molting i...

March 16th, 2021, 6:00AM / BY Abigail Eisenstadt Dom Pedro aquamarine was cut from a 100-pound crystal that was mined in the late 1980s. It weighs around 4.6 pounds, making it one of the largest aquamarine gemstones in the world. (Donald E. Hurlbert, Smithsonian) For those who study what happens when magma and crust collide, igneous rocks like pegmatites are a welcome sight. But in addition to holding clues about Earth’s mineral and geologic processes, pegmatites dep...

Cave Paintings and Sculptures A map of decorated caves in western Europe with the names of a few notable or outlying sites. The broken line encloses caves decorated in the distinctive Mediterranean Style which seems to have been little influenced by the master artists of France and Spain. It often features simple, stark animal representations together with quite elaborate geometrical designs. There are important caves decorated in the Mediterranean style in southeast Spain, the Ardèche canyons...