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

VOA: special.2011.07.26

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

Three hours later, NASA officials told the crew that everything was "OK" for what they called TLI, or trans-lunar injection.

VOA: special.2009.07.08

This is called a wake. The body is placed in a special burial box called a casket or coffin.

VOA: special.2009.12.11

And,it was called The City of the Big Shoulders or City of Broad Shoulders because of its importance to the nation.

VOA: special.2010.01.10

Now,researchers with the Rehabilitation Institute of Chicago are working on another method called TMR, or targeted muscle reinnervation.

VOA: special.2009.03.10

Yuqi Cao wants to know about the strange language called Pig Latin, or Igpay Atinlay in Pig Latin.

VOA: special.2009.12.04

The first improvements were made in the cabin of Tommy or "The Luck" as he was usually called.

VOA: special.2009.06.06

The National Osteoporosis Foundation says a test called Dual-energy X-ray absorptiometry,or DXA, is the best test for osteoporosis.

VOA: special.2010.08.31

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

VOA: special.2009.01.12

And removal is called for in cases where fluid collects around a wisdom tooth that is partly or fully below the gum.

VOA: special.2011.08.10

But now a program called Kilimo Salama, or safe farming, offers low-cost insurance in parts of Kenya.

VOA: special.2010.05.11

Anything in art,music or literature which is very modern or ahead of its time is called avant-garde.

VOA: special.2010.04.18