People often make an immediate association between earache and ear infection. However, discomfort in and around the ear can be caused by many different problems. This guide will cover the more common reasons for an ear ache. Since an ear infection is such a common reason for ear pain, let's consider this possibility first. Most ear infections occur inside the ear.
Drafting: The practice of two or more cars, while racing, to run nose-to-tail, almost touching. The lead car, by displacing the air in front of it, creates a vacuum between its rear end and the nose of the following car, actually pulling the second car along with it.
The Exploratorium's Paul Doherty talks about drafting. Suprisingly drafting not only helps the bicyclist following the leader, but the lead cyclist gains an advantage as well. Paul explained, The interesting thing is by filling in her eddy you improve the front person's performance as well.