The Stats don’t lie: after age 65, most people will struggle to focus visually on close-up objects. You might have seen this among your friends and relatives or even experienced it yourself, holding books, magazines, or your phone farther away…
For some animals, living in the big city makes socializing a lot easier. Take the common wall lizard, for example; these reptiles don’t always see eye-to-eye with members of their own species in their natural habitat, but in urban areas, they…






