حقنة منع الحمل للرجال تسبب العقم القابل للعكس لدى الفئران

Sperm’s ability to move plays a big role in male fertilityShutterstock A compound that renders sperm immobile has shown promise as a reversible form of contraception in mice. The choices of birth control for men are limited to using condoms…

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صور مذهلة جديدة للمجرات والسدم التقطها تلسكوب إقليدس

Euclid’s image of the star-forming region Messier 78Messier 78 ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi; CC BY-SA 3.0 IGO or ESA Standard Licence The Euclid space telescope team has released its first science images. They…

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العنصر الغامض البروميثيوم يكشف عن خصائصه الكيميائية أخيرًا

Conceptual art showing a compound of promethiumJacquelyn DeMink, art; Thomas Dyke/photography; ORNL, UA.S. Dept. of Energy A new compound containing one of the rarest elements in the world, promethium, has revealed its mysterious properties for the first time. Promethium only…

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