Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

For this test, we’re comparing the default models that both OpenAI and Google present to users who don’t pay for a regular ...

Females are more immunoreactive than males and, although sex hormones have an important role in immune functions, the X chromosome is fundamental in shaping sex-specific immune responses. X-linked ...

When you’re choosing a new laptop or desktop computer, it’s important to understand the specs and features you’ll see listed by each model. That way, you can be sure to choose the right laptop for ...