The 39 best things to do in D.C. this weekend and next week

A huge weekend of holiday happenings features Santa on water skis, holiday concerts from classical to carols, pop-up markets ...
Archaeology

Tzintzuntzan, Mexico

A majestic row of five circular pyramids known as yácatas dominates a promontory overlooking Lake Pátzcuaro in the western Mexican state of Michoacán. Embodying the former might of the Purépecha ...
Investopedia

Understanding Pattern Day Trader (PDT) Rules and Margin Requirements

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 ...
Nature

Central pattern generators articles from across Nature Portfolio

A central pattern generator (CPG) is a neuronal network in which interconnected excitatory and inhibitory neurons produce an oscillating, rhythmic output in the absence of sensory feedback. CPGs play ...
Investopedia

Mastering Pyramiding: Leverage Strategies for Experienced Traders

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...