Greener streets linked to better sleep

Living on a greener street or having views of blue spaces from your home may help you sleep for longer. New research across 18 countries found that living on greener streets — those with visible grass, trees, and vegetation — is linked to better sleep.

A self-cleaning wall paint

Beautiful white wall paint does not stay beautiful and white forever. Often, various substances from the air accumulate on its surface. This can be a desired effect because it makes the air cleaner for a while — but over time, the color changes and ne…