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                    <title>Phys.org news tagged with:travel restrictions</title>
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            <description>Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.</description>

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                    <title>Earth saw record-high greening in 2020: What&#039;s at the root?</title>
                    <description>As pandemic lockdowns forced humans into isolation, Earth&#039;s vegetation was thriving. The year 2020 was the greenest in modern satellite records from 2001 to 2020, according to a recent study published in Remote Sensing of Environment. Consistent growth in northern and temperate regions, combined with a brief period of tropical growth, primarily led to this remarkably verdant period.</description>
                    <link>https://phys.org/news/2025-02-earth-high-greening-root.html</link>
                    <category>Earth Sciences</category>                    <pubDate>Thu, 06 Feb 2025 16:10:41 EST</pubDate>
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                    <title>Researchers find pesticides in a third of Australian frogs tested. Did these cause mass deaths?</title>
                    <description>In winter 2021, Australia&#039;s frogs started dropping dead. People began posting images of dead frogs on social media. Unable to travel to investigate the deaths ourselves because of COVID lockdowns, we asked the public to report to us any sick or dead frogs.</description>
                    <link>https://phys.org/news/2024-04-pesticides-australian-frogs-mass-deaths.html</link>
                    <category>Plants &amp; Animals</category>                    <pubDate>Tue, 30 Apr 2024 11:40:38 EDT</pubDate>
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                    <title>Crowd-sourced science sheds light on how new species form across space and time</title>
                    <description>Imagine a jungle. It&#039;s probably a lush forest, filled with different bird songs and the hum of thousands of different kinds of insects. Now imagine a tundra: barren, windswept terrain with relatively few kinds of plants or animals.</description>
                    <link>https://phys.org/news/2023-08-crowd-sourced-science-species-space.html</link>
                    <category>Evolution</category>                    <pubDate>Sat, 26 Aug 2023 06:40:01 EDT</pubDate>
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                    <title>Quantifying COVID-19 pandemic&#039;s impact on immigration</title>
                    <description>New research finds a high variation between how pandemic mitigation measures affected immigration to different destination countries, from a slight increase to huge reductions.</description>
                    <link>https://phys.org/news/2023-01-quantifying-covid-pandemic-impact-immigration.html</link>
                    <category>Social Sciences</category>                    <pubDate>Tue, 24 Jan 2023 12:35:02 EST</pubDate>
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                    <title>Study finds nickelate superconductors are intrinsically magnetic</title>
                    <description>Electrons find each other repulsive. Nothing personal—it&#039;s just that their negative charges repel each other. So getting them to pair up and travel together, like they do in superconducting materials, requires a little nudge.</description>
                    <link>https://phys.org/news/2022-08-nickelate-superconductors-intrinsically-magnetic.html</link>
                    <category>Superconductivity</category>                    <pubDate>Mon, 01 Aug 2022 13:31:40 EDT</pubDate>
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                    <title>Rare &#039;orchid of the falls&#039; species declared extinct in the wild</title>
                    <description>A team of botanists from Guinea and the Royal Botanic Gardens, Kew in the UK have sounded the death knell for a plant in the Saxicolella genus that is endemic to a single location in Guinea. The sad discovery was made by Kew botanist Dr. Martin Cheek who investigated the plant&#039;s last-known co-ordinates using Google Earth satellite scans, following a taxonomic review of the Saxicolella genus published this week in the scientific journal Kew Bulletin.</description>
                    <link>https://phys.org/news/2022-06-rare-orchid-falls-species-declared.html</link>
                    <category>Plants &amp; Animals</category>                    <pubDate>Wed, 01 Jun 2022 13:31:42 EDT</pubDate>
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                    <title>New maps show airplane contrails over the US dropped steeply in 2020</title>
                    <description>As COVID-19&#039;s initial wave crested around the world, travel restrictions and a drop in passengers led to a record number of grounded flights in 2020. The air travel reduction cleared the skies of not just jets but also the fluffy white contrails they produce high in the atmosphere.</description>
                    <link>https://phys.org/news/2022-03-airplane-contrails-steeply.html</link>
                    <category>Environment</category>                    <pubDate>Mon, 07 Mar 2022 07:39:40 EST</pubDate>
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                    <title>Recycling of tectonic plates a key driver of Earth&#039;s oxygen budget</title>
                    <description>A new study co-led by a Cornell researcher has identified serpentinite—a green rock that looks a bit like snakeskin and holds fluids in its mineral structures—as a key driver of the oxygen recycling process, which helped create and maintain the sustaining atmosphere for life on Earth.</description>
                    <link>https://phys.org/news/2021-11-recycling-tectonic-plates-key-driver.html</link>
                    <category>Earth Sciences</category>                    <pubDate>Mon, 29 Nov 2021 12:34:00 EST</pubDate>
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                    <title>Covid recovery to drive all-time emissions high: IEA</title>
                    <description>Carbon emissions are set to hit an all-time high by 2023 as just two percent of pandemic recovery finance is being spent on clean energy, the International Energy Agency said on Tuesday.</description>
                    <link>https://phys.org/news/2021-07-covid-recovery-all-time-emissions-high.html</link>
                    <category>Environment</category>                    <pubDate>Tue, 20 Jul 2021 03:36:12 EDT</pubDate>
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                    <title>New COVID-19 model reveals effectiveness of travel restrictions</title>
                    <description>More strategic and coordinated travel restrictions likely could have reduced the spread of COVID-19 in the early stages of the pandemic. That&#039;s according to new research published in Communications Physics. This finding stems from new modeling conducted by a multidisciplinary team of scientists and engineers at Rensselaer Polytechnic Institute.</description>
                    <link>https://phys.org/news/2021-06-covid-reveals-effectiveness-restrictions.html</link>
                    <category>General Physics</category>                    <pubDate>Mon, 07 Jun 2021 15:45:27 EDT</pubDate>
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                    <title>Planetary science intern leads study of Martian crust</title>
                    <description>The planet Mars has no global magnetic field, although scientists believe it did have one at some point in the past. Previous studies suggest that when Mars&#039; global magnetic field was present, it was approximately the same strength as Earth&#039;s current field. Surprisingly, instruments from past Mars missions, both orbiters and landers, have spotted patches on the planet&#039;s surface that are strongly magnetized—a property that could not have been produced by a magnetic field similar to Earth&#039;s, assuming the rocks on both planets are similar.</description>
                    <link>https://phys.org/news/2021-03-planetary-science-intern-martian-crust.html</link>
                    <category>Planetary Sciences</category>                    <pubDate>Wed, 03 Mar 2021 13:07:12 EST</pubDate>
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                    <title>Temperature, humidity, wind predict second wave of pandemic</title>
                    <description>The &#039;second wave&#039; of the coronavirus pandemic has resulted in much blame placed on a lack of appropriate safety measures. However, due to the impacts of weather, research suggests two outbreaks per year during a pandemic are inevitable.</description>
                    <link>https://phys.org/news/2021-02-temperature-humidity-pandemic.html</link>
                    <category>General Physics</category>                    <pubDate>Tue, 02 Feb 2021 12:52:33 EST</pubDate>
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                    <title>Researchers urge the scientific community to #StopPandemicBias</title>
                    <description>While there is little doubt that COVID-19 will have lasting impacts on health and the economy, a group of researchers is bringing attention to the effects the pandemic could have on the careers of scientific researchers. Carnegie Mellon University and Max Planck Institute physicist Ulrike Endesfelder, University of Stuttgart&#039;s Dirk Pflüger and Technische Universität Braunschweig&#039;s Timo de Wolff launched a Twitter campaign #StopPandemicBias, which aims to bring broader understanding to how COVID-19 will impact scientists. Using the hashtag, they hope to crowdsource ideas that will mitigate the impact of the pandemic on research careers.</description>
                    <link>https://phys.org/news/2020-07-urge-scientific-stoppandemicbias.html</link>
                    <category>Social Sciences</category>                    <pubDate>Tue, 28 Jul 2020 12:06:09 EDT</pubDate>
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