Author: Carol Duff

Petroglyphs: Not Hard to Find in the U.S. There are rock carvings and paintings in some unexpected locations around the country Petroglyphs: Not Hard to Find in the U.S. Source: VTT

Evolution: Amniotic Egg Allowed Animals to Move Onto Land New ancient animals will likely be discovered in 310 million-year-old fossilized trees in Nova Scotia Evolution: Amniotic Egg Allowed Animals to Move Onto Land Source: VTT

Bacteria Produce Nanowires Which Could Power Medical Devices Electricity-Conducting Bacteria May Inspire Next-Gen Medical Devices by National Institutes of Health Director’s Blog Dr. Francis Collins Technological advances with potential for improving human health sometimes come from the most unexpected places. An intriguing example is an electricity-conducting biological nanowire that holds promise for powering miniaturized pacemakers and other implantable electronic devices. The nanowires come […] Bacteria Produce Nanowires Which Could Power Medical Devices Source: VTT

Greenland: Island or Continent? Greenland and Australia: Continents or Not? by Matt Rosenberg ThoughtCo Why is Australia a continent and Greenland is not? The definition of a continent varies, so the number of continents ranges between five and seven continents. Generally, a continent is one of the major land masses on earth. However, in every accepted definition of continents, Australia is always included as […] Greenland: Island or Continent? Source: VTT

Lawsuit Stole the Historic Names of Yosemite A settlement with a former concessions operator means Camp Curry, the Ahwahnee Hotel can use their original names again Lawsuit Stole the Historic Names of Yosemite Source: VTT

The Search for the Perfect Pyramid The pyramid may represent an important step in a pharaoh’s quest to build the ‘perfect’ pyramid The Search for the Perfect Pyramid Source: VTT