Reference Terms
from Wikipedia, the free encyclopedia
Global Positioning System
The Global Positioning System, usually called GPS, is the Earth's only fully-functional satellite navigation system.
Note: The above text is excerpted from the Wikipedia article "Global Positioning System", which has been released under the GNU Free Documentation License.
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Earth & Climate News
December 9, 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. 9, 2024 — Consumers' real-world stop-and-go driving of electric vehicles benefits batteries more than the steady use simulated in almost all laboratory tests of new battery designs, a new study ...
Dec. 9, 2024 — Characterized by darkness and intense pressure, the ocean's hadal zone seems uninhabitable, yet dozens of unique organisms call it home. Each species discovered there adds a crucial piece to the ...
Dec. 6, 2024 — Desert ants of the Cataglyphis nodus species use the Earth's magnetic field for spatial orientation, but rely on a different component of the field than other insects. The survey suggests that the ...
Dec. 5, 2024 — Extreme weather and pollution have increased the salt content in some soil, making growing conditions harsh for salt-sensitive crops like rice. Now, researchers detail a possible solution that ...
Dec. 5, 2024 — When a forest is lost to development, some effects are obvious. Stumps and mud puddles across the landscape, a plowed field or houses a year after that. But deforestation isn't just a loss of trees; ...
Dec. 5, 2024 — High-sensitivity climate models should not be excluded when predicting future regional climate impacts because the level of warming measured globally is not always the only good indicator of regional ...
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 ...