The cost of air travel isn’t always obvious. When budgeting for a flight, we often consider ticket prices and the time spent traveling, but there’s another important expense to consider—the loss of quality sleep due to jet lag. College athletes routinely travel out of state to attend games and competitions. But the recent realignment of major college athletic conferences, including the departure of all but two colleges from the Pac-12 Conference, means that many athletes will make more cross-cou...

If you put a hat on a starfish, where would you put it? On the center of the starfish? Or on the point of an arm and, if so, which one? The question is silly, but it gets at serious questions in the fields of zoology and developmental biology that have perplexed veteran scientists and schoolchildren in introductory biology classes alike: Where is the head on a starfish? And how does their body layout relate to ours? Now, a new Stanford study that used genetic and molecular tools to map out the bo...