This is a guest post written by Writing Gazette. If you are interested to find out more about Writing Gazette, click here to read the posts from Writing Gazette.  What is going on in your brain when you get your suitcase? When you travel, the last thing you think about is science. But there are certain ways we think and make decisions when we travel. So buckle up your seatbelts, ’cause we are going on a science road trip! 1. Be on your guard… When we’re on holiday, we’re able to relax and get away from the stress of our fast-paced lives, and we let our guard down. But we should…