Females (XX) carry twice as many X-linked genes on their sex chromosomes as males (XY). How do cells control gene expression to manage this potentially lethal dosage problem? A prime example of X ...

Musk's decisions around Twitter, and especially his rebranding of this site, have left many loyal Twitter-X users confused and mystified about what Twitter is now and what it is to be in the future.

After confirming in September that blocking as we know it would soon be gone from X, Elon Musk’s social media company started rolling out the change over Halloween weekend. This fundamentally ...

The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

Elon Musk's X is moving forward with his proposed changes to blocking users, a shift that allows blocked accounts to see a user's public profile and posts but prevents them from interacting with ...

Asa Fitch is a reporter covering the semiconductor companies in The Wall Street Journal’s San Francisco bureau, including Intel, Nvidia and Qualcomm. Prior to his move to California, he spent a ...

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What Is Fragile X Syndrome? Fragile X syndrome, also known as Martin-Bell syndrome, is a genetic condition that affects a child's learning, behavior, appearance, and health. Symptoms can be mild ...

The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any value, including decimal and negative values. To solve an equation, the value ...

As X continues to alienate advertisers, even recently suing a group over their boycott of the platform, the company is shifting its creator payments policy to be less dependent on ads. Before ...