You are one of the first people being sent backwards in time in the latest technology, the time machine. You get all kinds of warnings before you leave, all about not changing the past as it will reflect in the future. You decide to go back in time, far back, so you can see what the dinosaurs really looked like. But, as you step out of the machine, ready to spot your first dinosaur… you step on something. Scraping it off your shoe you aren’t even sure what it was…
So, what was it and how does the lack of that one creature-like thing change time in the current time when you are back to 2008?
