Now, a full-body musculoskeletal simulator for swimming has been developed for the AnyBody Modeling System, which enables to calculate fluid force acting on the whole body during swimming. The model presents 4 swimming styles: Crawl, Breststroke, Backstroke, and Butterfly.
The average cost for a domestic flight is up 4.5 percent from a year ago, to $399.48, based on data from Travelocity.com. An international ticket is about 2.3 percent more expensive than a year ago, at $991.82.
Southwest is great for indecisive travelers. Other U.S. airlines generally charge between $75 and $150 for most changes to an award ticket, and between $75 and $200 to redeposit miles after canceling an award flight. But Southwest will allow you to change your ticket for only the difference in cost of the new flight.