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
December 15, 2024
Dec. 11, 2024 — A new study shows that long-term exposure to air pollution contributes to millions of deaths in India. The research emphasizes the need for stricter air quality regulations in the ...
Dec. 12, 2024 — Colony surveys of common murres, an Alaskan seabird, show the full effects of the 2014-16 marine heat wave known as 'the blob.' Analysis of 13 colonies surveyed between 2008 and 2022 finds that ...
Dec. 12, 2024 — Stars similar to the Sun produce a gigantic outburst of radiation on average about once every hundred years per star. Such superflares release more energy than a trillion hydrogen bombs and make all previously recorded solar flares pale in ...
Dec. 9, 2024 — Thanks for a powerful antioxidant, Deinococcus radiodurans can withstand radiation doses 28,000 times greater than what would kill a human. In a new study, scientists discovered how the antioxidant works. Finding could drive the development of ...
Latest Headlines
updated 12:56 pm ET
Dec. 10, 2024 — A research group has developed a new design for the electrolytes used in fuel cells. The material complies with environmental regulations and ...
Dec. 13, 2024 — A new prototype device demonstrates an innovative approach to producing ammonia -- a key component of fertilizer -- that could transform an industry ...
Dec. 13, 2024 — Glaciologists used sound waves to reveal Ice Age landforms buried beneath almost 1 km of mud in the North Sea. The results suggest that the landforms were produced about 1 million years ago, when an ...
Dec. 3, 2024 — A nationwide U.S. assessment of estimated cancer risk from airborne toxics shows that risk is concentrated in urban communities, those with lower ...
Dec. 3, 2024 — A research team has developed new approach to measure ocean memory and found that the North Atlantic Ocean has a memory of approximately one to two ...
Dec. 3, 2024 — Lion numbers in the country are at a critical low while hyenas are faring well across four major protected areas in Uganda, according to new survey ...
Dec. 13, 2024 — We might all be able to breathe a bit easier thanks to copper nanoclusters that can help us reduce carbon emissions through an electrochemical ...
Dec. 13, 2024 — The distribution of traditional wild food sources in the Republic of Sakha could change significantly, affecting the diets and incomes of Indigenous ...
Dec. 13, 2024 — Tsunamis can cause immense physical damage to ports, but the economic cost does not stop there. The resultant disruptions of shipping lanes result in billions of dollars in losses every day, as was ...
Dec. 13, 2024 — A new database of African hippo populations has revealed huge gaps in our knowledge of where the megaherbivores live and thrive, with populations fragmented and reliant on protected ...