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فيروس كورونا: أي نوع من الصابون أفضل؟

فيروس كورونا: أي نوع من الصابون أفضل؟ على مدار الأشهر القليلة الماضية، عرفنا أهمية غسل أيدينا بانتظام – لمدة 20 ثانية على الأقل – للحماية من فيروس كورونا. ولكن مع وجود العديد من أنواع الصابون المختلفة للاختيار من بينها، فكيف يمكننا تحديد الأفضل؟

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Artemis Accords: why many countries are refusing to sign Moon exploration agreement

Illustration of a future Moon base by the European Space Agency, which hasn’t signed the Artemis Accords. ESA; RegoLight, visualisation: Liquifer Systems Group, 2018, CC BY-SA

Illustration of a future Moon base by the European Space Agency, which hasn’t signed the Artemis Accords. ESA; RegoLight, visualisation: Liquifer Systems Group, 2018, CC BY-SA Christopher Newman, Northumbria University, Newcastle Eight countries have signed the Artemis Accords, a set of guidelines surrounding the Artemis Program for crewed exploration of the Moon. The United Kingdom, Italy, Australia, Canada, Japan, Luxembourg, …

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Bottle-fed babies may consume millions of microplastic particles, our research suggests

Evso/Shutterstock

Evso/Shutterstock Dunzhu Li, Trinity College Dublin and Yunhong Shi, Trinity College Dublin Microplastics can now be found in almost every environment on Earth, but scientists know surprisingly little about how the products we use every day shed these tiny plastic particles. If you drink from a plastic water bottle or eat out of a microwaveable container today, there’s a good …

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