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COVID vaccine weekly: AstraZeneca is safe and effective, but facing supply issues

Megan Clement, The Conversation The European Medicines Agency has said that the Oxford/AstraZeneca vaccine is safe and effective, and not associated with an increased overall risk of developing blood clots. The regulator conducted a review of the vaccine after a small number of people developed blood clots in Europe after receiving the vaccine. Thirteen countries suspended the use of the …

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I kept silent to protect my colleague and friend, Kylie Moore-Gilbert. But Australia’s quiet diplomatic approach is not working

Abedin Taherkenareh/AAP Jessie Moritz, Australian National University Kylie Moore-Gilbert, a Middle East expert from the University of Melbourne, has now been held by the Iranian government for almost two years. She was arrested in September 2018 and then convicted of spying and sentenced to ten years’ jail. She has denied all allegations against her, and the Australian government rejects the …

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It might be the world’s biggest ocean, but the mighty Pacific is in peril

Shutterstock Jodie L. Rummer, James Cook University; Bridie JM Allan, University of Otago; Charitha Pattiaratchi, University of Western Australia; Ian A. Bouyoucos, James Cook University; Irfan Yulianto, IPB University, and Mirjam van der Mheen, University of Western Australia The Pacific Ocean is the deepest, largest ocean on Earth, covering about a third of the globe’s surface. An ocean that vast …

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Climate Explained: what would happen if we cut down the Amazon rainforest?

Gustavo Frazao Sebastian Leuzinger, Auckland University of Technology CC BY-ND Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change. If you have a question you’d like an expert to answer, please send it to climate.change@stuff.co.nz What would happen if we cut down the entire Amazon rainforest? …

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الأقمشة الصناعية تلوِّث الأرض بألياف بلاستيكية

Credit: Justin Sullivan/Getty

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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Los bosques, de sumidero a fuente de CO2 en unas décadas

Richard Whitcombe/Shutterstock

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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¿Por qué es una buena noticia que se suspendan los ensayos de una vacuna?

F8 studio/Shutterstock

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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Child marriage in North Africa: still a lot to be done

Morocco reformed its family law in 2004 to increase the legal age of marriage to 18. Shutterstock

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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Why, after one year, protests continue to rock Algeria

Algerian protesters wave the national flag during a demonstration in the capital Algiers. Photo by Ryad Kramdi/AFP via Getty Images

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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