When kids are between two and four, they're bubbling with questions — preschool children ask their parents an average of 100 questions a day. (My daughter seems to ask this many on the drive to school — How do the cars stay in the lines? Who makes the lights change colours? Why don't they make a wall so the bicycles can't get hit? Why do motorcycles get to go in front of us? She is very much into the inner-workings of street traffic these days.)

Before you can tell them that you got a C- in geography, your children will see you as a perfect human knowledge-dispensing machine. And they will ask you a lot of questions.

It's time to talk about toes, which should be a relief to anyone who has read the last few articles we've posted about the human body. As always, I'm here to answer the questions you would feel weird asking anybody else.

Job interviews are nerve-wracking enough as it is, then the hiring manager hits you with something like, "Tell me about a time you dealt with a difficult coworker." What exactly do they want from you and how should you answer? A survey from the folks at LinkedIn might be able to help.

Your role at the doctor's office isn't over when you describe your problem. You have to understand what your provider is telling you -- and that goes double if you're signing a form to say you understand the risks of a procedure or of being involved in a study.

Job interviews can be tricky, especially when you get hit with the dreaded "tell me about yourself" portion. There are a few things you should always include in your response, but it's also a good time to cleverly work in things that point to your strengths.

When you're clueless about a topic, asking questions about it can make you feel dumb. However, despite how you feel, asking good questions actually makes you seem smarter. This video breaks down research that supports this very concept.