Reference Terms
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PCB
Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl.
Note: The above text is excerpted from the Wikipedia article "PCB", which has been released under the GNU Free Documentation License.
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Matter & Energy News
December 15, 2024
Dec. 11, 2024 — An interdisciplinary team has created tiny bubble-like microrobots that can deliver therapeutics right where they are needed and then be absorbed by the ...
Dec. 4, 2024 — Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher energy than the voltage ...
Dec. 2, 2024 — A theoretical study suggests that small black holes born in the early universe may have left behind hollow planetoids and microscopic tunnels, and that we should start looking within rocks and old ...
Nov. 12, 2024 — Global carbon emissions from fossil fuels have reached a record high in 2024, according to new ...
Latest Headlines
updated 12:56 pm ET
Dec. 12, 2024 — The study, conducted in the US, found that mothers take on seven in ten (71%) of all household mental load ...
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 — 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 — A new screening method that combines laser analysis with a type of AI is the first of its kind to identify patients in the earliest stage of breast cancer, a study ...
Dec. 12, 2024 — For experiments that require ultra-precise measurements and control over atoms -- think two-photon atomic clocks, cold-atom interferometer sensors ...
Dec. 12, 2024 — Researchers have synthesized new molecules able to quickly capture significant amounts of carbon dioxide from the air, an important tactic in climate change ...
Dec. 11, 2024 — Rechargeable lithium-ion batteries power everything from electric vehicles to wearable devices. But new research suggests that a more sustainable and ...
Dec. 10, 2024 — A newly developed approach can precisely produce four-stranded beta-sheets through metal-peptide coordination, report researchers. Their innovative methodology overcomes long-standing challenges in ...
Dec. 2, 2024 — A new collection of published papers offers the most detailed and comprehensive breakdown yet of how water injected into the Permian Basin during oil ...