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Microsoft Azure certifications have become essential for IT professionals aiming to advance their careers in cloud computing and security. Among the most popular certifications are AZ-400, which focuses on DevOps solutions, and AZ-500, which emphasizes Azure security technologies. These certifications validate your ability to implement DevOps practices and secure cloud…

After the age of 50, insomnia is not just a question of stress: our internal clock becomes out of sync and our nights are less restorative. Chronobiologist Damien Davenne explains to us how to unplug your brain and (finally) sleep better. In our fifties, we often experience an exhausting paradox:…