Reference Terms
from Wikipedia, the free encyclopedia
Structure of the Earth
The interior of the Earth, like that of the other terrestrial planets, is chemically divided into layers.
Note: The above text is excerpted from the Wikipedia article "Structure of the Earth", which has been released under the GNU Free Documentation License.
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Earth & Climate News
March 25, 2025
Mar. 24, 2025 — Researchers have discovered that chimpanzees living in Gombe Stream National Park in Tanzania employ a degree of engineering when making their tools, deliberately choosing plants that provide ...
Mar. 20, 2025 — A new study has discovered that birds in the Galapagos Islands are changing their behavior due to traffic noise, with those frequently exposed to vehicles showing heightened levels of aggression. During trials involving traffic noise, Galapagos ...
Mar. 13, 2025 — At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts -- caused by the death of a massive star -- may ...
Mar. 13, 2025 — The 2025 U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species ...
Latest Headlines
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Mar. 25, 2025 — Delayed and disorderly energy transitions will threaten economic and financial stability whilst also increasing the economic risks from climate change, according to a new study. Conversely, ...
Mar. 25, 2025 — Plastic is everywhere in our daily lives. And much of what we use, such as cutting boards, clothes and cleaning sponges, can expose us to tiny, micrometer-wide plastic particles called microplastics. ...
Mar. 25, 2025 — Tiny fragments of plastic have become ubiquitous in our environment and our bodies. Higher exposure to these microplastics, which can be inadvertently consumed or inhaled, is associated with a ...
Mar. 25, 2025 — Insecticides may help growers hoping to protect their crops from harmful insects, but they also may contribute to a larger amount of some weeds, according to a new ...
Mar. 24, 2025 — A storm, even once it has passed, can leave traces in the ocean that last for thousands of years. These consist of sediment layers composed of coarse ...
Mar. 24, 2025 — Researchers have developed a new material that, by harnessing the power of sunlight, can clear water of dangerous ...
Mar. 24, 2025 — A new model suggests that timber production in Minnesota could decrease by half as windstorms intensify with climate ...
Mar. 24, 2025 — When wildfires threaten communities, human health can be impacted as smoke distributes on the breeze, infiltrating various structures. To help people protect themselves and their families, ...
Mar. 24, 2025 — New research is reshaping our understanding of one of nature's most stunning yet destructive phenomena -- massive locust swarms moving ...
Mar. 24, 2025 — For successful cell division, chromosomal DNA needs to be packed into compact rod-shaped structures. Defects in this process can lead to cell death or diseases like cancer. A new study has shown how ...