The warm Arctic-cold Eurasia (WACE) climate pattern is the main feature of winter temperatures in the Northern Hemisphere in the last 20 years. Extreme cold events related to this pattern have occurred frequently there.
Environment
12 hours ago
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A lake that dried up 80 years ago looked set on Tuesday to reappear, as monster rainfall accumulated over California's wet winter season overwhelms the state's rivers.
Environment
16 hours ago
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Spring has sprung!
Earth Sciences
Mar 20, 2023
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The upper range limits of tree species are extremely sensitive to climate change, and global climate warming has already had profound effects on the recruitment dynamics of alpine treelines worldwide. Previous studies have ...
Environment
Mar 20, 2023
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2
A team of climate scientists from France, Russia and Germany has found that ancient viruses dormant for tens of thousands of years in permafrost can infect modern amoeba when they are revived. For their study, reported on ...
Looking at the night sky with the naked eye, we can only see an infinitesimal part of what the Universe contains, and the largest part cannot even be "seen". Radio wavelengths have gifted us some of the most fascinating astronomical ...
Astronomy
Mar 8, 2023
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Simon Fraser University scientists say their research on the latest fossil find near Princeton, B.C. is raising questions about how the dispersal of animals and plants occurred across the Northern Hemisphere some 50 million ...
Evolution
Mar 7, 2023
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511
Astronomers from the Leibniz Institute for Astrophysics Potsdam (AIP) and the Vatican Observatory (VO) teamed up to spectroscopically survey more than 1,000 bright stars that potentially host exoplanets.
Astronomy
Feb 28, 2023
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86
Aerosols transported to the upper troposphere/lower stratosphere (UTLS) region potentially reduce average global surface temperatures and alter atmospheric circulation. Although large volcanic eruptions are rare in recent ...
Earth Sciences
Feb 23, 2023
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11
When looking at the Earth from space, its hemispheres—northern and southern—appear equally bright. This is particularly unexpected because the Southern Hemisphere is mostly covered with dark oceans, whereas the Northern ...
Planetary Sciences
Feb 23, 2023
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Coordinates: 45°0′0″N 0°0′0″E / 45°N 0°E / 45; 0
The Northern Hemisphere is the half of a planet that is north of the equator—the word hemisphere literally means 'half sphere'. It is also that half of the celestial sphere north of the celestial equator. Earth's northern hemisphere contains most of its land area and most of its human population (about 90%).
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