Recent major volcanic eruptions in Indonesia and Ethiopia have sparked questions about increasing activity. However, experts state there's no evidence of a global rise, attributing perceived increases ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...