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1236 articles · Page 35 of 52

August 21, 2015

Sea-level rise accelerating

Studies tracking sea-level rise over the past few decades have been all over the map, with reports variously indicating that the rate of rise has …

August 21, 2015

Seismometers listen for falling rocks

Scores of natural rockfalls occur in California’s Yosemi­­te Valley every year, often with little or no advance warning, posing hazards to people …

August 21, 2015

Map shows where lightning zaps most

Lightning strikes far more often over land than sea and is more concentrated closer to the equator — both testaments to the greater atmospheric …

August 20, 2015

Energy Notes: February 2014-2015

U.S. Oil & Petroleum Imports (million of barrels per day) ' Oil and petroleum imports data are preliminary numbers taken from the American …

August 20, 2015

Mineral Resource of the Month: Bromine

Emily K. Schnebele, mineral commodity specialist for the U.S. Geological Survey, compiled the following information on bromine, which is …

August 7, 2015

Volcanic lightning turns ash into glass

Within the ash plumes of explosive volcanic eruptions, collisions among countless pyroclastic particles sometimes lead to the buildup of static …

August 6, 2015

Trip-planning resources

If you are thinking of making one or more of your field trips accessible, the International Association for Geoscience Diversity (IAGD), an …

August 6, 2015

Geology for everyone: Making the field accessible

On Oct. 18, 2014, at the annual meeting of the Geological Society of America (GSA) in Vancouver, British Columbia, the society hosted, for the …

July 17, 2015

Energy Notes: January 2014-2015

U.S. Oil & Petroleum Imports (million of barrels per day) ' Oil and petroleum imports data are preliminary numbers taken from the American …

July 17, 2015

Mineral Resource of the Month: Gemstones

U.S. Geological Survey mineral commodity specialist Donald W. Olson has compiled the following information on gemstones, which are prized above …

July 17, 2015

Ice (Re) Cap: August 2015

From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …

July 17, 2015

Early Earth enriched by iron rain

Iron is one of the most common elements in the Earth’s mantle and core, most of it having come from massive collisions with asteroids and other …