Reference Terms
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Antarctic Circle
The Antarctic Circle is one of the five major circles or parallels of latitude that mark maps of the Earth.
Note: The above text is excerpted from the Wikipedia article "Antarctic Circle", which has been released under the GNU Free Documentation License.
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Earth & Climate News
April 14, 2025
Apr. 14, 2025 — A new study has shed unprecedented light on the highly variable and climate-sensitive routes that substances from Siberian rivers use to travel across the Arctic Ocean. The findings raise fresh ...
Apr. 14, 2025 — Whether for cooking, heating, as a light source or for making tools -- it is assumed that fire was essential for the survival of people in the Ice Age. However, it is puzzling that hardly any ...
Apr. 9, 2025 — Evidence shows that hunter-gatherers were crossing at least 100 kilometers (km) of open water to reach the Mediterranean island of Malta 8,500 years ago, a thousand years before the arrival of the ...
Apr. 2, 2025 — Using a mathematical model, researchers have shed new light on the transition from hunter-gatherer to farming societies. Rather than focusing exclusively on external factors, they looked at internal demographics and the significant impact of human ...
Latest Headlines
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Apr. 14, 2025 — There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, ...
Apr. 14, 2025 — Scientists use small peptides to enhance symbiosis between plants and fungi, offering a sustainable alternative to artificial fertilizers. Plant biologists discover new plant molecule, CLE16, as well ...
Apr. 11, 2025 — For the highly populated coastal country of Bangladesh, once-in-a-century storm tides could strike every 10 years -- or more often -- by the end of ...
Apr. 14, 2025 — Microplastics and the much smaller nanoplastics enter the human body in various ways, for example through food or the air we breathe. A large proportion is excreted, but a certain amount remains in ...
Apr. 14, 2025 — New DNA probes allow for efficient surveying of the hidden lives of squids and octopuses in the deep sea. This development provides an effective tool for marine ecological research and conservation ...
Apr. 14, 2025 — Deep sea mining operations are expected to increase the negative impact on environmental indicators by up to 13 per cent, a change categorized as having 'great' significance, relative to the ...
Apr. 14, 2025 — Engineers have created a sophisticated computer model that tracks how water moves in estuaries -- which is critical for evaluating climate variability and sea level fluctuation impacts for coastal ...
Apr. 8, 2025 — As coral bleaching and deaths become more widespread globally, experts show that over a third of restoration projects fail and might never be scalable enough to have positive effects on reef ...
Apr. 11, 2025 — Every year, thousands of tons of brown algae are extracted from the seabed to obtain compounds such as alginates, a polymer composed of sugars that ...
Apr. 11, 2025 — The United Nations organization responsible for international marine shipping today approved new emission reduction policies. A new paper highlights ...