Launched by the Metropolitan Police in 2012, the Gangs Matrix is a database of suspected gang members in London. © Amnesty International Launched by the Metropolitan ...

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 ...

Vistaprint is one of our best photo printing services for turning family memories into keepsake photobooks, plus you can use it to order novelty Christmas gifts, stock up on office supplies, including ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Skills are folders of instructions, scripts, and resources that Claude loads dynamically to improve performance on specialized tasks. Skills teach Claude how to complete specific tasks in a repeatable ...