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
March 19, 2025
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 ...
Mar. 11, 2025 — Researchers were shocked to see that bacteria's antimicrobial resistance is strengthened when exposed to plastic particles and point to a potential outsized impact on ...
Mar. 10, 2025 — Scientists have discovered that whales move nutrients thousands of miles -- in their urine -- from as far as Alaska to Hawaii. These tons of nitrogen support the health of tropical ecosystems and fish, where nitrogen can be limited. They call this ...
Mar. 6, 2025 — A sweeping study for the first time tallies butterfly data from more than 76,000 surveys across the continental United States. The results: Butterflies -- all of them -- are ...
Latest Headlines
updated 12:56 pm ET
Mar. 18, 2025 — New RNA-based active agents reliably protect plants against the Cucumber mosaic virus (CMV), the most common virus in agriculture and horticulture. ...
Mar. 18, 2025 — The EPA's network consistently failed to capture air quality in communities of color across six major pollutants. The monitors are the key data source driving decisions about pollution reduction, ...
Mar. 18, 2025 — In advancing sustainable energy solutions, an international collaborative team of scientists has achieved a significant milestone in low-carbon chemical conversion. In their recent publication in ...
Mar. 18, 2025 — A team of scientists have brought together methods to see beyond the limitations of conventional weather records, which typically only cover the past ...
Mar. 18, 2025 — A significant amount of the milk used in a popular cooking cheese can be substituted with plants, all while maintaining its taste and texture. Researchers have demonstrated this by creating a hybrid ...
Mar. 18, 2025 — Climate change is not just an environmental issue -- it's a mental health crisis impacting on adolescent wellbeing right now in areas most affected ...
Mar. 18, 2025 — The red coral colonies that were transplanted a decade ago on the seabed of the Medes Islands have survived successfully. They are very similar to ...
Mar. 18, 2025 — Biomass can be converted into valuable gases. But in order to control this process, the amount of water vapor has to be measured. This is notoriously hard, because other components of the gas can ...
Mar. 18, 2025 — Researchers used community input to design Advanced Clean Truck (ACT) air-quality model experiments. Community asked for ACT policy simulations that convert 48% of medium- and heavy-duty vehicles ...
Mar. 18, 2025 — A major review of over 67,000 animal species has found that while the natural world continues to face a biodiversity crisis, targeted conservation ...