Two years ago,European researchers reported that aspirin may have what they called a "long-term protective effect against colorectal cancer."

VOA: special.2010.12.14

His train is unsafe. Yet he stays on the job after other workers have called a strike against the railroad company.

VOA: special.2010.09.06

He invented the skill of throwing a special rope called a lasso over a cow's head to catch wandering cattle.

VOA: special.2011.06.11

Information that is used to draw attention away from the real facts of a situation is called a red herring.

VOA: special.2011.04.10

President Franklin Roosevelt's wife Eleanor planted what was called a "Victory Garden" as part of the war effort in nineteen forty-three.

VOA: special.2009.03.31

Many patients suffer from weakness or what is called a "pins and needles" feeling in the arms and legs.

VOA: special.2011.07.26

In modern terms,the hot oven that the glassblower uses to quickly reheat the glass is called a "glory hole."

VOA: special.2009.09.16

New legislation in Congress proposes to require all states to have what is called a graduated driver licensing system.

VOA: special.2010.07.01

Clay becomes very hard when it is put in a fire or a special oven called a kiln.

VOA: special.2009.01.12

He also wanted to create what he called a hit factory, an idea he got from working for the Ford Motor Company.

VOA: special.2009.05.11

The difference is that the printer builds a three-dimensional scaffolding out of a sugar-based material called a hydrogel.

VOA: special.2010.10.19

A congressional committee has called a hearing Wednesday to discuss legal issues related to head injuries in football.

VOA: special.2009.10.28

On Thursday President Obama blamed the incident on what he called a "systemic failure across organizations and agencies."

VOA: special.2010.01.09

Each hair on a person's head grows from a single tube-like hole in the skin called a follicle.

VOA: special.2011.04.05