Everything communicates

In the beginning, there is perception. Long before you paid attention to something or formed a memory, your brain used its extensions, the senses, to gather input, calculate the probability of certain outcomes, and ultimately – predict what’s your best course of action to keep you in a good shape.

Don’t worry about it – you are going to wash your hands anyway

The scent of spring this year is the scent of handsanitizer. What we expect of this incessant cleaning is, clearly, that it keeps us healthy. What I didn't expect before I researched the topic is that it also has important psychological effects. Here are three brilliant examples of how hand washing impacts our minds.