From EARTH Magazine, 10/21/2015 -- What's the origin of the smartphone you're holding or the tablet from which you are reading this? They're made from minerals such as tin, tantalum and tungsten - minerals that aren't found in many places in the world. One place they are found in relative abundance is the Democratic Republic of the Congo (DRC), where these minerals have been fueling militias in an ongoing war for the last 25 years.
From EARTH Magazine, 10/13/2015 -- Typically, mountains get steeper with increasing altitude. However, during the Pleistocene, a geologic epoch with extensive glaciation, the tops of some mountains, like the Alps, were scoured away. This left mountains that were steeper at a lower elevation than they were at a higher elevation.
From EARTH Magazine, 09/17/2015 -- Americans are reminded in September to be prepared for natural hazards during "National Preparedness Month." A major goal of preparedness is to provide early warnings for earthquakes. Earthquake early warning (EEW) is exactly what it says: It is an early warning that shaking is coming and it can typically give a few seconds to a few minutes, at most, of warning. The warnings can be sent off just after an earthquake occurs on a fault, but before the damaging secondary waves are felt. It is not earthquake prediction.
From EARTH Magazine, 09/10/2015 -- In a study covered by EARTH Magazine, geoscientists identified fossils that are helping close the 15-million-year period in the fossil record known as Romer's Gap - the time from when fish showed early evidence of arms and legs until we definitively see four-legged land animals.
From EARTH Magazine, 08/24/2015 -- The theme of inclusion in the geosciences is sweeping through the community, and geoscience instructors and field trip leaders are learning how to make accommodations to individuals with different barriers to being in the field. In the September issue, EARTH Magazine reports how in 2014, at the annual meeting of the Geological Society of America, a couple of researchers put on the first fully accessible field trip, and it was a success!
From AGI, 08/18/2015 -- The American Geosciences Institute's Center for Geoscience and Society is pleased to release two reports concerning geosciences education in the United States. The reports were developed in response to the need for comprehensive monitoring of the U.S. educational system in terms of the instruction of geoscience content and participation in geoscience-related learning experiences. The reports are based on data pertaining to science education collected from all 50 states and the District of Columbia.
From EARTH Magazine, 07/28/2015 -- The United States' Icebreaker Fleet - operated by the U.S. Coast Guard - consists of just two ships that are used for everything from search and rescue to national security operations to scientific research. In our August cover story, EARTH Magazine examines the various roles icebreakers play, especially in Arctic research, and how insufficient funding is affecting the icebreakers' roles.
From EARTH Magazine, 06/29/2015 -- Analyzing thousands of records, researchers have reinforced the claim that for marine life, bigger has been better for the last 542 million years. The study examined Cope's rule - the idea, named for paleontologist Edward Drinker Cope, that species evolve to larger sizes over time.