You could take the research questioning vaccine safety and efficacy and paper the walls and floors of the Forbes headquarters and you still would have enough paper left over to cover the American Academy of Pediatrics headquarters in one of those tents they use to fumigate for wood-destroying insects.

FORBES: Anti-Vaccine Movement Causes The Worst Whooping Cough Epidemic In 70 Years

Residents have been forced to leave their homes because of concern about the safety of a town's historic walls.

BBC: Ludlow town walls: Homes evacuated over safety concerns

Similarly, in another test of anxiety, animals were given the choice of venturing out on an elevated and unprotected bar to explore their environment, or remain in the relative safety of a similar bar protected by enclosing walls.

FORBES: Thinking With Your Gut. Literally.

In order to stop flood waters overwhelming central London and to save the massive expense of building fresh flood walls and defences, some land could be set aside to act as a safety valve, catching flood waters and storing them until the danger has passed.

BBC: London's drowning

For a fee, these businesses have been offering stressed out customers the opportunity to bundle up in safety gear, choose fragile objects like china plates and wine glasses and then literally chuck them against walls.

FORBES: Break Stuff And Laugh Your A*s Off

There are more security barriers and anti-suicide-blast walls in the city, and United Nations personnel and relief workers must adhere to constantly updated safety guidelines and curfews.

NEWYORKER: The Taliban��s Opium War

These signs were affixed to the walls near exits in a secure manner such that they could only be removed by means of removing safety capped mounting screws and then the use of tools to remove them.

FORBES: Radioactive Tritium Leaks from Nuke Plant; Also Two Million EXIT Signs