"Attention Restoration Theory (ART) asserts that people can concentrate better after spending time in nature, or even looking at scenes of nature. Natural environments abound with “soft fascinations” which a person can reflect upon in “effortless attention”, such as clouds moving across the sky, leaves rustling in a breeze or water bubbling over rocks in a stream. (...) “The way I think of it is that our ancestors evolved in a nature-filled environment,” says Kaplan. “[Such places] should feel more comfortable, more relaxed, more like home. It’s not a big leap between that and being more competent, less distracted. (…) Andrea Taylor found a relationship between exposure to nature and self-control. (…) The former group scored higher on tests of concentration, inhibited impulsivity, and ability to delay gratification. (…)”" - Amira from Bookmarklet