Move over karyotypes—genetic disorder detection has vastly improved. Researchers are now using array CGH (aCGH), to quickly scan through an entire genome for imbalances. Because aCGH facilitates ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Gordon Scott has been an active investor and technical analyst or ...

Jessica Gibson is a content update editor and writer for Investopedia. She has over 10 years of experience in digital publishing and three years of experience covering financial topics like insurance, ...

Preferred stock is a little-known type of investment that combines the qualities of both bonds and common stocks. Preferred shares don't generate nearly the kind of excitement that common shares do.

Human development is influenced by, but not entirely determined by, our parents and our genes. Children may have very different personalities, and different strengths and weaknesses, than the ...

Ever wonder why males and females of the same species can sometimes look radically different from each other? It's all thanks to a condition known as sexual dimorphism, which is generally triggered by ...