Reference Terms
from Wikipedia, the free encyclopedia
Acid
An acid (often represented by the generic formula HA) is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a pH of less than 7.0.
Note: The above text is excerpted from the Wikipedia article "Acid", which has been released under the GNU Free Documentation License.
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Earth & Climate News
November 16, 2024
Nov. 13, 2024 — How much land, water, and other resources does our lifestyle require? And how can we adapt this lifestyle to stay within the limits of what the Earth can give? A new article tackles these ...
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Nov. 12, 2024 — Roughly 90 million years ago, climatic conditions in Antarctica were suitable for resin-producing trees. Researchers have now made the southernmost discovery of amber in the ...
Nov. 8, 2024 — Tool use isn't unique to humans. Chimpanzees use sticks as tools. Dolphins, crows, and elephants are known for their tool-use abilities, too. Now a report highlights elephants' remarkable skill in using a hose as a flexible shower head. As an ...
Latest Headlines
updated 12:56 pm ET
Nov. 15, 2024 — Mountain lions in greater Los Angeles are proactively shifting their activity to avoid interacting with cyclists, hikers, joggers and other ...
Nov. 15, 2024 — Animals and plants also live and thrive on public squares. This creates opportunities for greater biodiversity and well-being for the human population. Researchers have studied at 103 locations in ...
Nov. 15, 2024 — Rainforest protection is not only good for biodiversity and the climate -- it also noticeably improves the health of humans who live in the corresponding regions. Researchers show that measures to ...
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Nov. 15, 2024 — Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...
Nov. 15, 2024 — Researchers are calling for a 'resilience index' to be used as an indicator of policy success instead of the current focus on GDP. They say that GDP ignores the wider implications of development and ...
Nov. 13, 2024 — Wastewater injection resulting from oil and gas production in Oklahoma caused a dramatic rise in seismic activity in the state between 2009 and 2015. ...
Nov. 15, 2024 — Researchers found that spending two hours a week of class time in a natural environment can reduce emotional distress among 10- to 12-year-olds who had the most significant mental health problems ...
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