The discussion about CO₂ pricing is a hot topic in the public debate. But relatively few experts have their say, so it can be difficult to know whether there is consensus among professionals about the different types of ...
Environment
Oct 2, 2025
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0
A dangerous parasite once eliminated in the United States has been detected in northern Mexico, close to the U.S. border.
Ecology
Sep 26, 2025
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A parasitic fly whose maggots can infest living livestock, birds, pets and humans, could threaten California soon.
Plants & Animals
Sep 18, 2025
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1
New research shows that Australia is lagging well behind Europe when it comes to digitized border control, adopting a "staggering" level of secrecy that is threatening individual democratic rights.
Political science
Sep 11, 2025
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The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in Mexico than previously reported.
Agriculture
Jul 11, 2025
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Illegally manufactured fentanyl kills a significant number of people in the United States and Canada every year. Since the emergence of modern heroin markets in the late 1960s, controlling supply has been associated with ...
Social Sciences
Jul 8, 2025
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Fentanyl has killed hundreds of thousands of people globally since 2015. Detection of the drugs during interdiction is currently done through Raman spectroscopy or chemical strips—both of which require direct access to ...
Analytical Chemistry
Jul 1, 2025
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27
Mexican President Claudia Sheinbaum on Wednesday threatened legal action over falling debris and contamination from billionaire Elon Musk's SpaceX rocket launches across the border in the United States.
Space Exploration
Jun 25, 2025
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25
The U.S. government plans to open what amounts to a fly factory by the end of the year, announcing its intent Wednesday to breed millions of the insects in Texas near the border with Mexico as part of an effort to keep a ...
Agriculture
Jun 19, 2025
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13
Archaeologists have excavated a medieval frontier garrison in Mongolia, suggesting some monumental walls on the Eurasian steppe were not built to defend against enemy attack, but rather to control the movement of people and ...
Archaeology
May 28, 2025
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42
Borders define geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states and other subnational entities. Some borders—such as a state's internal administrative borders, or inter-state borders within the Schengen Area—are open and completely unguarded. Other borders are partially or fully controlled, and may be crossed legally only at designated border checkpoints. Some, mostly contentious, borders may even foster the setting up of buffer zones.
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