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 ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...

Your liver handles metabolic, detoxification, and immune functions, including processing nutrients, making bile for fat digestion, producing blood-clotting proteins, and removing toxins like ammonia ...

Thyroid function tests are blood tests that measure hormone levels to check how well your thyroid is working. The most common tests are thyroid-stimulating hormone (TSH) and thyroxine (T4), which help ...

The Style Scores are a complementary set of indicators to use alongside the Zacks Rank. It allows the user to better focus on the stocks that are the best fit for his or her personal trading style.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

About Two Harbors Investment Corp. Two Harbors Investment Corp. is a real estate investment trust, which invests in finances, and manages agency residential mortgage-backed securities, mortgage ...