The “Manage Stress Workbook” in this course guides you through steps to identify and track your stress and practice a variety of strategies that have been shown to counteract stress. The course does ...

Abstract: Nowadays, problems such as greenhouse effect and air pollution become increasingly prominent. The power generation process should pay attention to the fuel cost and reduce the pollution to ...

Struggling with a problem that seems to require trigonometry? This lesson shows how to solve it without using trigonometry, ...

I’m in a season of life when more of my former teachers are passing away, each loss reminding me how early mentors helped lead me to the right place. All of this came to mind recently with the news ...