Shopping for groceries can mean continual self-tutoring. The tutor shares a discovery. Grocery shopping, in my opinion, is best not done in a hurry. Being able to browse for deals beyond what brought you there is often an advantage. Furthermore, …

Lifestyle: grocery shopping: Is the same item in more than one place? Read more »

Researching the human body can mean continual self-tutoring. The tutor begins about the critical hormone cortisol. Cortisol is a hormone produced by the adrenal glands. Its release is augmented when the person feels stress. It has many effects; what follows …

Health: what is cortisol and what does it do, part 0 Read more »

Tutoring programming, you encounter all kinds of instances. The tutor mentions, with Perl, incrementing a counter variable in a for loop by a decimal amount. Can you increment a counter variable by a decimal amount? In my experience, with Perl, …

Perl programming: can you increment a counter variable by a decimal? Read more »