Needles
Everyone's least favorite part of their yearly doctor's visit is finally on its way out. Researchers are looking into alternative methods to taking vaccines. Oral medications might be the way of the future.
Lighters In Cars
If your car has a cigarette lighter in the console, that's definitely a sign of its age. Now, most car manufacturers have changed the lighter's use into something more practical (and healthy). Nowadays they're used for cellphone chargers.