Dunes develop when wind-blown sand organizes into patterns, most often in deserts and arid or semi-arid parts of the world. Every continent on Earth has dune fields, but dunes and dune-like sand patterns are also found across ...
Planetary Sciences
Sep 30, 2021
0
429
Miranda, a small, icy moon of Uranus, is one of the most visually striking and enigmatic bodies in the solar system. Despite its relatively small size, Miranda appears to have experienced an episode of intense resurfacing ...
Space Exploration
Sep 18, 2014
0
1
Figuring out what lies ahead for our species and our planet is one of the most pressing and challenging tasks for climate scientists. While models are very useful, there is nothing quite like Earth's history to reveal details ...
Earth Sciences
Sep 24, 2019
0
28
The commercial importance of lithium is ever-growing, and its production is globally dominated by lithium-cesium-tantalum (LCT) pegmatites. These are spectacular rocks featuring impressive ultra-coarse textures, but they ...
Earth Sciences
Nov 20, 2023
0
17
Glaciers that drain ice sheets such as Antarctica or Greenland often flow into the ocean, ending in near-vertical cliffs. As the glacier flows into the sea, chunks of the ice break off in calving events. Although much calving ...
Earth Sciences
Mar 22, 2019
2
156
Category 5 hurricanes may have slammed Florida repeatedly during the chilly Younger Dryas, 12,000 years ago. The cause? Hurricane-suppressing effects of cooler sea surface were out-weighed by side effects of slowed ocean ...
Earth Sciences
Oct 5, 2017
1
29
The rise of eukaryotic organisms (organisms with complex cells, or a single cell with a complex structure) is still a mystery, but Zachary Adam (Harvard University) and colleagues have compelling evidence that Tappania plana ...
Earth Sciences
Sep 26, 2016
1
23
Ocean acidification is a major concern related to climate change, with the oceans currently absorbing around a quarter of the carbon dioxide that is released into the atmosphere. The increased CO 2 that is absorbed by the ...
Environment
Oct 8, 2022
0
37
Climate change and extreme weather events grab the headlines, but there is another, lesser known, global change underway on land, in the seas, and in the air: acidification.
Environment
Nov 6, 2012
19
0
Super-eruptions are not the only type of eruption to be considered when evaluating hazards at volcanoes with protracted eruption histories, such as the Yellowstone (Wyoming), Long Valley (California), and Valles (New Mexico) ...
Earth Sciences
Jul 13, 2015
0
14
