The oldest mathematics journal in the Western Hemisphere in continuous publication, the American Journal of Mathematics ranks as one of the most respected and celebrated journals in its field.

MIAMI — When Leonardo Sanchez began walking the levees in south Florida as a wildlife volunteer in 2011 he realized there was a serious problem. They were finding large 14-feet Burmese pythons on a ...

HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

The idea that companies must “delight” their customers has become so entrenched that managers rarely examine it. But ask yourself this: How often does someone patronize a company specifically because ...

This paper examines the impact of three types of victimization in childhood- sexual abuse, physical abuse, and neglect-on lifetime measures of mental health among adults. In contrast to research that ...

The best video conferencing services we've tested help you stay connected and communicate with clients, team members, and anyone else, no matter where you are. I’ve been writing about consumer ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Mel Plaut Mel Plaut is a writer covering pets. They have tested hundreds of ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam holder, and ...

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 ...