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
December 7, 2024
Dec. 4, 2024 — Exposure to car exhaust from leaded gas during childhood altered the balance of mental health in the U.S. population, making generations of Americans more depressed, anxious and inattentive or hyperactive, according to researchers. They estimate ...
Nov. 26, 2024 — A striking new phenomenon is emerging: distinct regions are seeing repeated heat waves that are so extreme, they fall far beyond what any model of global warming can predict or explain. A new study provides the first worldwide map of such regions, ...
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 ...
Latest Headlines
updated 12:56 pm ET
Dec. 6, 2024 — Iridium-based catalysts are needed to produce hydrogen using water electrolysis. Now, a team has shown that the newly developed P2X catalyst, which requires only a quarter of the Iridium, is as ...
Dec. 6, 2024 — A research group has developed an innovative pesticide delivery system called nanopesticides. These tiny technologies could change how we use ...
Dec. 6, 2024 — Recent decades have seen a rapid surge in damages and disruptions caused by flooding. Experts call on scientists to more accurately model these risks and caution against overly dramatized reporting ...
Dec. 6, 2024 — Researchers show that the all-time record low in winter sea ice extent in 2023 can be explained by warm Southern Ocean conditions and patterns in the ...
Dec. 6, 2024 — Many recent studies assume that elderly people are at particular risk of dying from extreme heat as the planet warms. A new study of mortality in ...
Dec. 6, 2024 — To mitigate climate change, human-made carbon dioxide (CO2) emissions must be reduced as quickly and drastically as possible. Additionally, some of the CO2 already emitted needs to be safely removed ...
Dec. 6, 2024 — A new way to produce fuels made from leftover fat can create biofuel as effective as diesel and 1000-times more efficiently than current methods a ...
Dec. 6, 2024 — Researchers developed biodegradable materials that could replace the plastic micro-beads now used in beauty products. The materials could also be used to encapsulate nutrients for food ...
Dec. 6, 2024 — Non-native species introduced by humans are among the main causes of global species decline -- they were partly responsible for 60 percent of the ...
Dec. 6, 2024 — A new study shows the benefits of coordinating the siting of solar farms, wind farms, and storage systems, taking into account local and temporal variations in wind, sunlight, and energy demand. This ...