If there were a time traveler among us, how would we know? Jonathan takes a look at various strategies to catch that pesky time traveler who may be meddling with your life.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
