Reference Terms
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Lead
Lead is a chemical element in the periodic table that has the symbol Pb and atomic number 82.
Note: The above text is excerpted from the Wikipedia article "Lead", which has been released under the GNU Free Documentation License.
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Earth & Climate News
November 22, 2024
Nov. 21, 2024 — Researchers have reported the discovery of a previously unknown compound in chloraminated drinking water. Inorganic chloramines are commonly used to disinfect drinking water to safeguard public health from diseases like cholera and typhoid ...
Nov. 18, 2024 — A newly discovered pterosaur fossil is shedding light on the evolutionary journey of these ancient flying reptiles. This complete specimen, named Skiphosoura bavarica, provides crucial insights into how pterosaurs transitioned from early, smaller ...
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 ...
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
Nov. 21, 2024 — Scientists have presented work examining the circumstances surrounding the whale deaths off the coast of New Jersey in the winter of 2022-23, which prompted concern that survey work in the area ...
Nov. 20, 2024 — New research may make it possible to keep electronic devices powered with another piece of equipment you're likely to bring with you while exploring the great outdoors: camping stoves. The work ...
Nov. 20, 2024 — With most donated clothes exported or thrown away, experts are calling for a shakeup of how we deal with the growing fashion waste ...
Nov. 22, 2024 — Geneticists have developed a gene drive-based solution to the widespread problem of insecticide resistance. In an effort to protect valuable crops, the researchers created an 'e-Drive' that reverses ...
Nov. 22, 2024 — Polybrominated diphenyl ethers, or PBDEs, are fire-retardant chemicals that are found everywhere. A mouse study reports that probiotic supplementation can reduce the negative impacts of PBDEs on ...
Nov. 22, 2024 — In an era of dwindling glaciers, Southern Patagonia has managed to hold on to a surprising amount of its ice. But, a new study suggests that this ...
Nov. 22, 2024 — Scientists have developed a pioneering tool that can pinpoint where invasive species have been, aiding eradication ...
Nov. 21, 2024 — Biologists have determined that Florida panthers are likely not at increased risk for contracting chronic wasting disease from eating infected ...
Nov. 20, 2024 — Scientists have detailed both broad and specific information about the presence and function of microorganisms in rivers covering 90% of the watersheds in the continental U.S. Cataloging the ...
Nov. 21, 2024 — A new study shows that the oceans were less cold in the early 20th century (1900--1930) than previously thought. During this period the ocean appears ...