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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. The public offering price (POP) is the price set by underwriters for new stock issues during ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...

​Many emphasised and said they knew what it was like to experience a very long dry spell. A large number of respondents had ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

Case method teaching is ultimately about teaching the students, as opposed to teaching the case. Instructors who know their students well are better able to create a learning experience that is ...

Following a reported surge in espionage activity, the agency in charge of countering cyber threats in the U.S. has updated ...

我们吃的东西正在发生改变，新鲜、天然的食物正在被便宜、高度加工的三餐所取代。这种改变增加了人们患上多种慢性疾病的风险，包括肥胖和抑郁症。国际专家认为，我们需要采取行动减少全世界饮食中的超加工食品，因为这些食品对我们的健康构成了威胁。