Nature (2020) doi:10.1038/d41586-020-02632-7 English article Credit: Justin Sullivan/Getty أنتجت الأقمشة الصناعية حوالي 5.6 مليون طن من الألياف الدقيقة منذ عام 1950، مسببةً تلوثًا لليابسة والماء على حد سواء فعند غسل الأنسجة الصناعية، مثل الصوف القطبي والنايلون، تتساقط منها أليافٌ بلاستيكية دقيقة. وقد كشفت أبحاث سابقة عن وجود هذه الألياف الدقيقة في العديد من الأنظمة الإيكولوجية المتنوعة، لكن هذه هي …
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Richard Whitcombe/Shutterstock Víctor Resco de Dios, Universitat de Lleida El cambio climático es consecuencia de las emisiones indiscriminadas de gases con efecto invernadero procedentes, principalmente, de la quema de combustibles fósiles. Las actividades humanas emiten 11 gigatoneladas de carbono (GtC) anuales. A día de hoy, la mitad de estas emisiones nos salen gratis desde el punto de vista climático: 3 GtC …
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F8 studio/Shutterstock Carmen Álvarez Domínguez, UNIR – Universidad Internacional de La Rioja El reciente anuncio de Oxford suspendiendo el ensayo clínico con la vacuna para SARS-CoV-2 debido a un efecto adverso denominado Mellitis transversa, una inflamación de la médula espinal, tras un análisis rutinario de un voluntario vacunado, es una buena noticia por varias razones. Primero, refleja que las agencias …
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Morocco reformed its family law in 2004 to increase the legal age of marriage to 18. Shutterstock Moha Ennaji, Université Sidi Mohammed Ben Abdellah This year about 12 million of the world’s children will be married before they turn 18. UNICEF figures suggest about 18% of them will be boys and about 82% girls. Child marriage is widespread across developing …
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Algerian protesters wave the national flag during a demonstration in the capital Algiers. Photo by Ryad Kramdi/AFP via Getty Images Yahia H. Zoubir, Kedge Business School There have been weekly peaceful protests in Algeria for the past year. Early last year protests demanding political transformation, led to the removal by the military of veteran leader, Abdelaziz Bouteflika. Elections were held, …
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Saudi King Salman accompanies Kuwait’s emir, Sheikh Sabah Al Ahmad Al Sabah, left, during the 40th Gulf Cooperation Council Summit in Riyadh, Saudi Arabia, in December 2019. (AP Photo/Amr Nabil) Edmund Adam, University of Toronto When the Arab Spring protests erupted in 2010, many political pundits predicted the uprisings would ripple through the entire region and ultimately reach the oil-rich …
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Jon Hoover, University of Nottingham The killing of Jordanian pilot Moaz al-Kasasbeh by Islamic State has been explained as an act of retaliation for the air campaign against it. But there have been many questions about whether immolation is a valid form of punishment in Islamic law – and many Muslim scholars have argued that it is not. This is …
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Public data is vital to the functioning of a democracy. Witthaya Prasongsin / Getty Images Julia Lane, New York University Editor’s note: When the Trump administration ordered hospitals to report COVID-19 data to the Department of Health and Human Services rather than the Centers for Disease Control and Prevention as they had been doing, it provoked worries and criticism from …
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By the end of 2018, there were nearly 4 billion people without internet connectivity in the world. Almost 75 percent of the unconnected population is located in 20 countries and is concentrated in rural, low-income and low-literacy areas. Acknowledging its paramount importance, the United Nations now recognizes internet connectivity as an important and basic human need and includes “universal and …
Read More »Susan Walsh, AP Elizabeth Weise USA TODAY Published 2:19 PM EDT May 14, 2020 President Trump on Wednesday tapped venture capitalist and former pharmaceutical head Moncef Slaoui to head Operation Warp Speed, a White House initiative meant to quickly develop and distribute coronavirus vaccines. Slaoui was named Wednesday, according to a senior administration official. He was chair of the vaccines …
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