Europe's Galileo satellite navigation constellation is set to grow. Later this year the first two out of 12 "Batch 3" Galileo satellites will be launched by Soyuz from French Guiana. Their last step on the way to launch is ...
Space Exploration
Jun 3, 2021
0
7
The discovery of ancient kumara pits just north of Dunedin dating back to the 15th century has shone a light on how scientific evidence can complement mātauraka Māori around how and where the taonga were stored hundreds ...
Archaeology
Apr 27, 2021
0
289
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
A Southwest Research Institute (SwRI) scientist examined 11 Mars years of image data to understand the seasonal processes that create linear gullies on the slopes of the megadune in the Russell crater on Mars. In early spring ...
Planetary Sciences
Feb 24, 2021
1
86
Imagine the texture of a plant. Many may come to mind—the smooth rubberiness of many tropical houseplants, the impossibly soft lamb's ear, the sharp spines of cacti, or the roughness of tree bark. But stickiness, in the ...
Plants & Animals
Jan 21, 2021
0
5
Barchans are crescent-shaped sand dunes whose two horns face in the direction of the fluid flow. They appear in different environments, such as inside water pipes or on river beds, where they take the form of ten-centimeter ...
Space Exploration
Dec 16, 2020
0
10
At least 20 turtles were dead and dozens more were rescued Sunday after being entangled in plastic waste washed ashore on one of the world's longest beaches in Bangladesh, officials and conservationists said.
Ecology
Jul 12, 2020
0
30
Volcano-like features seen in polar regions of Saturn's moon Titan by NASA's Cassini spacecraft could be evidence of explosive eruptions that may continue today, according to a new paper by Planetary Science Institute Senior ...
Astronomy
Jun 16, 2020
0
195
Sand dunes, like many ecosystems, have more than one comfort zone. Variations in moisture, especially, can shift them from active, blowing waves of dry sand to rolling mounds with soils held down by grass and low shrubs.
Earth Sciences
Feb 26, 2020
0
95
Even though they are inanimate objects, sand dunes can 'communicate' with each other. A team from the University of Cambridge has found that as they move, sand dunes interact with and repel their downstream neighbours.
General Physics
Feb 4, 2020
14
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