This article was updated Feb. 3, 2023. It was originally published June 7, 2016. Hot and cold rolled steel are two common types of steel. Engineers need to know the difference between them to turn out ...

Joshua Cox-Steib is a sociologist and freelance writer. He lives in Tulsa, Oklahoma, with his wife and their menagerie of pets. Joshua holds a degree in sociology from the University of Tulsa and ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gross profit is income after deducting direct production costs. Operating ...

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 ...

Alzheimer's disease is a type of dementia, but not all dementia is Alzheimer's. Dementia symptoms include memory loss, problem-solving trouble, and trouble completing tasks. Seeking early diagnosis ...

Disney Plus prices have increased multiple times since the service first launched in 2019, but it remains a competitively priced streaming option for the whole family. Plans start at $12 a month for ...