Polymers are either natural or synthetic macromolecules composed of many repeating units (monomers) usually arranged in the form of a chain. Examples of polymers are silk, rubber, silicone, DNA and ...

Barbara Friedberg is a veteran investment portfolio manager, fintech consultant, and expert investor. She is a published author of several books. Suzanne is a content marketer, writer, and ...

Leslie Kramer is a writer for Institutional Investor, correspondent for CNBC, journalist for Investopedia, and managing editor for Markets Group. Robert Kelly is managing director of XTS Energy LLC, ...