The John Hancock Tower in Boston has a rather dangerous problem. The huge windows occasionally pop out and shatter on the street below. Despite having all 10,334 windows replaced with half-inch tempered glass, the sixty-story building still succumbs to the same unsolved problem. Two guards have been hired to do nothing but spot any cracked panes before they plunge down to the sidewalk.

We live in an age full of social media celebrities. The so-called Dunbar number indicates that a person can maintain a stable relationship with a maximum of 148 people. We may appear to have many more ‘friends’ thanks to social media, but in reality we have very few close or regular contacts.

Feeling stressed and negative about things? Best thing to do is to sleep on it! Sleeping actually repairs our brain and diminishes the impact of bad memories on our consciousness. Sometimes strange, vivid dreams are the brain’s way of helping you to figure out how you feel about something.