Reference Terms
from Wikipedia, the free encyclopedia
Refrigerant
A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back.
Note: The above text is excerpted from the Wikipedia article "Refrigerant", which has been released under the GNU Free Documentation License.
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Earth & Climate News
March 18, 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
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Mar. 17, 2025 — Overuse of chemical pesticides has driven resistance in agricultural pests, including the adaptable two-spotted spider mite. Researchers have ...
Mar. 17, 2025 — In a recent, cross-institutional study partially funded by the National Institutes of Health, researchers report that healthy human airways are at ...
Mar. 14, 2025 — Nearly one-third of sharks are threatened with extinction, mostly due to fishing. While mandated releases are helpful, researchers discovered that ...
Mar. 17, 2025 — A team of scientists have elucidated an ancient mechanism of cellular respiration. To that end, they studied bacteria that feed on the gases carbon dioxide and hydrogen, and turn them into acetic ...
Mar. 17, 2025 — Researchers have demonstrated a technique for successfully encapsulating bacteria that can then be stored and applied to plants to improve plant ...
Mar. 17, 2025 — For the first time, scientists described a hummingbird chick potentially mimicking a poisonous caterpillar to avoid getting ...
Mar. 17, 2025 — A new study has found that fortified enclosures also benefit nearby livestock keepers by preventing carnivore ...
Mar. 17, 2025 — Ancient DNA shows an endangered dove species endemic to Cuba is more genetically distinct than the dodo was before it died ...
Mar. 14, 2025 — New research quantifies the health risks of wildland-urban interface fires, showing fire emissions in populated areas are three times more likely to lead to annual premature deaths than emissions ...
Mar. 14, 2025 — Hydrology experts are calling for urgent investigations into the operation of bore-fields that access fresh groundwater on Pacific islands, including Kiribati, where rising sea levels are already ...