Testing random outcomes teaches principles that apply wherever fairness matters. Random outcomes shape more of our world than ...

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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

The US Department of Homeland Security (DHS) has moved to overhaul the H-1B work visa selection process, replacing the long-standing random lottery with a system that gives preference to higher-paid ...

The seal of the Department of Homeland Security is seen at US Immigration and Customs Enforcement in Washington, D.C., February 25, 2015. The Trump Administration has announced a major overhaul of the ...

The seal of the Department of Homeland Security is seen at US Immigration and Customs Enforcement in Washington, D.C., February 25, 2015. Credit - Saul Loeb—AFP/Getty Images The Trump Administration ...

The Department of Homeland Security is implementing a "weighted selection process" for H-1B visas to "increase the probability" that they are allocated to "higher-skilled and higher-paid aliens," U.S.

The Donald Trump-led administration has changed the regulations governing the H-1B work visa selection process, replacing the lottery system with wage and skill-based selection. The Trump ...

Background The global surge in ultra-processed food (UPF) consumption is a major public health challenge, particularly among ...

The number of Venezuelans in the U.S. has more than doubled in five years, to about 1.2 million. That makes Venezuelans the fastest-growing Hispanic group in percentage terms, far ahead of Ecuadorians ...