Behind the fences surrounding this 40-square-mile outback of cactus and wiry creosote, the largest remaining population of Mojave desert tortoises was soaking up the morning sun and grazing on a mix of wild greens and flowers.
Plants & Animals
Nov 21, 2022
0
118
The Artemis I mission brought Orion on its closest approach to the moon while blasting out on its way to an orbit that will take it farther from the Earth than any previous human-rated spacecraft.
Space Exploration
Nov 21, 2022
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95
The moon is incredibly hot, and also incredibly cold.
Space Exploration
Nov 21, 2022
0
15
In the past few decades, the use of phase field-modeling equations for mathematical modeling has progressed. Phase separation has been studied extensively in thermodynamics and materials engineering, but the biological field ...
Mathematics
Nov 21, 2022
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18
In a new study, North Carolina State University researchers characterize a range of molecular tools to rewrite—not just edit—large chunks of an organism's DNA, based on CRISPR-Cas systems associated with selfish genetic ...
Biotechnology
Nov 21, 2022
0
119
Dust from the dry Puna Plateau in northwestern Argentina was an important source of iron for the nutrient-deficient South Pacific in the last two glacial cycles—especially at the beginning of these cycles. This was the ...
Earth Sciences
Nov 21, 2022
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36
First, the bad news: Nothing is free. Moving the world energy system away from fossil fuels and into renewable sources will generate carbon emissions by itself, as construction of wind turbines, solar panels and other new ...
Environment
Nov 21, 2022
3
43
The complete skeletal remains of a spider monkey—seen as an exotic curiosity in pre-Hispanic Mexico—gives researchers new evidence regarding social-political ties between two ancient powerhouses: Teotihuacán and Maya ...
Archaeology
Nov 21, 2022
0
553
High-Q mechanical resonances are desired in many applications. The conventional wisdom relies on minimizing the size of the supporting structure of mechanical resonators, which renders the fabricated mechanical device fragile.
Optics & Photonics
Nov 21, 2022
0
31
The cell is the basic structural and functional unit of life, with varying sizes, shapes, and densities. There are many different physiological and pathological factors that influence these parameters. It is therefore extremely ...
Cell & Microbiology
Nov 21, 2022
0
15
