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ما نحتاج إلى فهمه بشأن داء باركنسون

داء باركنسون هو مرضٌ عصبي يؤثّر على الدماغ، وعلى أجزاء أخرى من الجهاز العصبي. ويؤدّي فيه الموت التدريجي للخلايا العصبية إلى ظهور مجموعة من الأعراض الحركية وغير الحركية المميِّزة للمرض. ولم يُعرف بعد سبب موت هذه الخلايا، ولا الطريقة التي تتطوّر بها باثولوجيا المرض في الجهاز العصبي، لكن هناك العديد من المسارات البحثية التي يسلكها الباحثون؛ للإجابة على تلك التساؤلات. …

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COVID-19 vaccines: Open source licensing could keep Big Pharma from making huge profits off taxpayer-funded research

How many vaccines will be needed to vaccinate the world against COVID-19? Tetra Images/Getty Images

<figure> <img src=”https://images.theconversation.com/files/357982/original/file-20200914-18-qfqjei.jpg?ixlib=rb-1.1.0&rect=71%2C26%2C5911%2C4126&q=45&auto=format&w=754&fit=clip” /> <figcaption> How many vaccines will be needed to vaccinate the world against COVID-19? <span class=”attribution”><a class=”source” href=”https://www.gettyimages.com/detail/photo/covid-19-vaccine-with-world-map-in-background-royalty-free-image/1248797862?adppopup=true”>Tetra Images/Getty Images</a></span> </figcaption> </figure> <span><a href=”https://theconversation.com/profiles/charles-m-schweik-1107510″>Charles M Schweik</a>, <em><a href=”https://theconversation.com/institutions/university-of-massachusetts-amherst-1563″>University of Massachusetts Amherst</a></em> and <a href=”https://theconversation.com/profiles/timothy-ford-1154482″>Timothy Ford</a>, <em><a href=”https://theconversation.com/institutions/university-of-massachusetts-lowell-1534″>University of Massachusetts Lowell</a></em></span> <p>An international, multi-billion-dollar race is underway to develop a COVID-19 vaccine, and progress is <a href=”https://www.cnn.com/interactive/2020/08/health/coronavirus-vaccine-race-intl/”>moving at …

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Beyond the black hole of global university rankings: rediscovering the true value of knowledge and ideas

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The recent release of global university rankings and the way these are reported raises important questions about the role and reputation of our tertiary institutions. Are universities measured and ranked according to what we really value? Or are they ranked and valued only by what is measured? And are those measures authentic and trusted indicators of quality? There was a time when no one …

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