Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Sharpening a knife with a stone may look intimidating, but it is easier than you think. With the right angle and steady pressure, you can bring a dull blade back to life. A sharpening stone gives you ...

Mutual funds pool investors' money into diversified assets for less individual research. Actively managed funds aim to beat indexes, while passive funds aim to match them. Costs include an expense ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...