Cataclysmic variable stars (CVs) are white dwarf stars that are accreting from an orbiting, low mass binary companion star. The accretion is facilitated by the proximity of the stars; typical orbital periods range from about ...
Astronomy
Apr 9, 2018
0
165
The face of American forests is changing, thanks to climate change-induced shifts in rainfall and temperature that are causing shifts in the abundance of numerous tree species, according to a new paper by University of Florida ...
Environment
Mar 21, 2018
0
144
The extreme wet and dry periods Mongolia has experienced in the late 20th and early 21st centuries are rare but not unprecedented and future droughts may be no worse, according to an international research team that includes ...
Environment
Mar 14, 2018
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25
Some 800 million people around the world depend on livestock that graze on natural vegetation for their livelihoods and food security. In a good season, grasses and other plants flourish, supporting robust herds. In a bad ...
Environment
Feb 19, 2018
1
52
Biennial rainfall relationship could be observed in the tropical eastern hemisphere associated with the tropospheric biennial oscillation, and the tropical western hemisphere. In the tropical western hemisphere, previous ...
Earth Sciences
Jan 11, 2018
0
11
Our entire understanding of the universe is based on knowing the distances to other galaxies, yet this seemingly-simple question turns out to be fiendishly difficult to answer. The best answer came more than 100 years ago ...
Astronomy
Jan 10, 2018
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33
Scientists typically make every effort to keep all factors but one constant when doing an experiment. Global-change scientists might move a coral from a reef to an aquarium whose water is held 1°C higher to test the effects ...
Environment
Nov 15, 2017
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3
Aboriginal Australians have been observing the stars for more than 65,000 years, and many of their oral traditions have been recorded since colonisation. These traditions tell of all kinds of celestial events, such as the ...
Space Exploration
Nov 9, 2017
0
31
Among the largest primates in the Americas and with one of the loudest calls in the animal kingdom, howler monkeys are iconic species of South American tropical forests. They live in several types of forest ecosystems, from ...
Plants & Animals
Oct 4, 2017
0
5
Many tropical or subtropical regions could see sharp increases in natural temperature variability as Earth's climate warms over coming decades, a new Duke University-led study suggests.
Earth Sciences
Sep 5, 2017
2
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