Reference Terms
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Metamorphic rock
Metamorphic rock is the result of the transformation of a pre-existing rock type, the protolith, in a process called metamorphism, which means "change in form".
Note: The above text is excerpted from the Wikipedia article "Metamorphic rock", which has been released under the GNU Free Documentation License.
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Earth & Climate News
May 8, 2025
May 8, 2025 — A new study of the 28 most populous U.S. cities finds that all are sinking to one degree or another. The cities include not just those on the coasts, where relative sea level is a concern, but many in the interior. Furthermore, using newly granular ...
May 7, 2025 — Climate scientists reveal that millions of today's young people will live through unprecedented lifetime exposure to heatwaves, crop failures, river floods, droughts, wildfires and tropical storms under current climate policies. If global ...
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May 1, 2025 — Animal research on biomusicality, which looks at whether different species are capable of behaving in ways that show they recognize aspects of music, including rhythm and beat, remains a tantalizing ...
Latest Headlines
updated 12:56 pm ET
May 8, 2025 — How relatedness-to-nature is linked to well-being is determined by district-level socioeconomic status. A new analysis is based on survey results from two major Japanese metropolitan ...
May 8, 2025 — Global emissions of carbon dioxide from industry can be reduced by five per cent. But that requires companies and policy makers to take a holistic approach to energy efficiency and energy management ...
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May 8, 2025 — Scientists have found that a mere 30 species of trees in the Cerrado -- the world's largest and most floristically diverse savanna -- account for nearly half of all its trees. The 'hyperdominance' by ...
May 7, 2025 — Engineers have invented a sponge-like device that captures water from thin air and then releases it in a cup using the sun's energy, even in low humidity where other technologies such as fog ...
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