During its first couple hundred days in Jezero Crater, NASA's Perseverance Mars rover saw some of the most intense dust activity ever witnessed by a mission sent to the Red Planet's surface. Not only did the rover detect ...
Planetary Sciences
Jun 4, 2022
0
27
Geologists are interested in the sedimentary cycle—erosion from mountains that forms sand that is carried out to the ocean—because it's foundational for understanding how the planet works.
Earth Sciences
Feb 8, 2023
0
129
Sand is a fascinating material. It can flow and be poured like a liquid, but retains many of the properties of solids, clogging pipes or forming sand dunes. The behavior of collections of small particles like sand is known ...
Soft Matter
Mar 8, 2021
1
93
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot of movement on ...
Space Exploration
May 9, 2012
1
0
(AP) -- If Iceland's air-traffic paralyzing volcanic eruption last year seemed catastrophic, just wait for the sequel. That's what some experts are saying as they nervously watch rumblings beneath a much more powerful Icelandic ...
Earth Sciences
Oct 13, 2011
5
0
Seagrasses are flowering plants that form dense underwater meadows in coastal waters worldwide, from the frigid seas of the Arctic to the warm shallows of the Caribbean. These meadows provide a refuge for young fish, food ...
Earth Sciences
Feb 17, 2023
6
163
What links the building you live in, the glass you drink from and the computer you work on? The answer is smaller than you think and is something we are rapidly running out of: sand.
Environment
Jul 2, 2019
9
2
Bitumen, the sticky product from Alberta's oil sands, is normally burned as fuel or gets a second life as asphalt pavement.
Nanomaterials
Jun 13, 2023
0
45
A new study finds that oil sands operations, a major source of oil production in the last several years, emit very high levels of a critical class of air pollutants and pose risks to health and climate.
Environment
May 26, 2016
8
56
Marine shallow water sandy bottoms on the surface appear desert-like and empty, but in the interstitial space between the sand grains a diverse fauna flourishes. In addition to bacteria and protozoa numerous animal phyla ...
Cell & Microbiology
Jun 27, 2011
0
0
