October 13, 2017
Microbes care about energy efficiency
Microbes live in some of the most extreme environments on Earth, from the crushing depths of deep-sea trenches to scalding geothermal springs. …
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Geology
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1236 articles · Page 17 of 52
October 13, 2017
Pharmaceuticals in urban sediments reveal wastewater treatment effectiveness
People take pills to relieve headaches or syrups to ease a hacking cough, and eventually these medications can make their way into streams and …
October 13, 2017
Limestone reservoirs boost volcanic carbon emissions
Volcanoes have been the main source of atmospheric carbon over Earth’s history, with some types of eruptions injecting more carbon into the …
October 3, 2017
New method offers improved monitoring of Kilauea
Kilauea Volcano, on Hawaii’s Big Island, has been erupting continuously since 1983, mostly releasing relatively slow-moving lava flows, although …
September 20, 2017
Down to Earth With: Alexander Stewart
Sgt. Alexander Stewart was brought up to believe serving in the military was an obligation all young men should fulfill. In 1991, at the age of …
September 19, 2017
Geologic Column: A masochist hikes through the heather
Callan Bentley’s delightful article on the Scottish Highlands in the May 2017 EARTH took me back to my first encounter with the Moor of Rannoch …
September 19, 2017
Water weight and surface rebound trigger small quakes in California
On average, a cubic meter of snow weighs less than 100 kilograms, but heavy, compacted snow can weigh more than 500 kilograms per cubic meter, …
September 19, 2017
First complete DNA sequences from Egyptian mummies
Egyptian mummies provide archaeologists with a tantalizing window into ancient Egyptian culture. And now they are offering up their DNA. …
September 19, 2017
Mapping Louisiana's disappearing shoreline
Since the 1930s, Louisiana has lost an area of coastal wetlands larger than the state of Delaware. A new map, published in GSA Today, charts the …
September 19, 2017
Lollipop-shaped ice found in clouds
A sky full of lollipops might sound like a candy-filled dream, but these “treats” aren’t what you might think. Researchers discovered tiny …
September 19, 2017
Solar-powered paint could produce hydrogen for fuel
Split a water molecule, and you get hydrogen and oxygen. Burn that hydrogen as fuel and you get water. This straightforward, pollution-free cycle …
September 19, 2017
Minerals deformed by meteorites reveal age of impact
Researchers have discovered a new way to determine when a meteorite hit Earth, a technique that could not only help scientists date ancient …
September 18, 2017
Geomedia: Radio: "Big Picture Science" aptly named
Titles can sometimes be a hard thing to live up to, but “Big Picture Science,” a weekly radio program broadcast on about 100 stations nationwide, …
September 18, 2017
Travels in Geology: Cones and craters in Flagstaff, Arizona
When it comes to U.S. volcanoes, most people think of Hawaii, Alaska, or Mount St. Helens and Mount Rainier in the Pacific Northwest. Ask them …
September 14, 2017
New map of Arctic geology published
At first glance, it might seem there’s little more to the Arctic than frozen tundra, ice and seawater, but the top of the world is home to some …
September 14, 2017
How the Arctic became salty
The Arctic Ocean hasn’t always been as salty as other oceans. In the Eocene, between 56 million and 34 million years ago, the water surrounding …
September 14, 2017
Comment: The Anthropocene: Foregone or premature conclusion? Examining the ethical implications of naming a new epoch
The scientific movement to declare a new geological epoch called the Anthropocene has received a lot of attention in the popular press. There …
September 14, 2017
Comment: Providing resources for future generations - Technical and human challenges
Earth is a remarkable planet, providing us with a comfortable place to live and the energy, minerals and water to sustain our societies. …
September 14, 2017
Glass shards reveal a fiery history in Ethiopia
Chains of volcanoes and a lava lake pepper the landscape of the Afar Triangle in northeastern Ethiopia, where eruptions and earthquakes are …
September 14, 2017
Volcanism triggered end-Triassic extinction
The end-Triassic mass extinction exterminated up to three-quarters of all species on land and in the oceans 201 million years ago. This die-off …
September 14, 2017
Jerusalem tower facelift reveals it's 1,000 years younger
Jerusalem is one of the oldest cities in the world, dating back to at least 2400 B.C. Downhill from the heart of the city is Gihon Spring, a …
September 1, 2017
Down to Earth With: Evan Thomas
At age 16, Evan Thomas made a list of 100 life goals — his bucket list. At only 27 years old, he’s done pretty well so far: Graduate college with …
August 25, 2017
Down To Earth With: John Underhill
“The Odyssey” follows Odysseus’ 10-year journey home to Ithaca after the Trojan War. John Underhill, a stratigrapher at the University of …
August 22, 2017
Getting there and getting around Patagonia
There are many ways to get to Patagonia. I would have preferred to get there by following Charles Darwin’s route, aboard a replica of H.M.S. …