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 ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

At the late Neolithic site Torwiesen II (3283 and 3279 cal. B.C.) a systematic sampling programme was carried out, covering the entire settlement area. Plastic tubes, 10 cm in diameter and 20-30 cm ...