Researchers have identified a novel mechanism by which bacteria form membrane vesicles, which bacteria employ to communicate with each other or to defend themselves against antibiotics. By studying ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, ...

Index funds are passively managed, aiming to match a benchmark index. Mutual funds are meant to outperform the indexes they track, with a manager selecting stocks. Mutual funds may include sales loads ...