The biathlon is another Olympic sport that is not as well known.

VOA: special.2010.02.10

Others are more difficult to identify and not as well known.

VOA: special.2009.04.14

Others are not as well known.

VOA: special.2010.06.15

The BP company pumped heavy drilling fluids,known as mud, into the top of its damaged well in the Gulf of Mexico.

VOA: special.2010.08.07

She became well-known after Republican presidential candidate John McCain chose her as his vice presidential running mate.

VOA: special.2009.01.03

During the early nineteen fifties, he also became known for social action as well as property development.

VOA: special.2011.01.30

Some of the diseases are well known, such as rheumatoid arthritis, multiple sclerosis and type-one diabetes.

VOA: special.2009.04.14

She soon met the well-known scientist Louis Leakey and began working for him as an assistant.

VOA: special.2009.11.18

He says his team chose well known musicians as well as newly discovered bands.

VOA: special.2010.06.25

General Petraeus is known for his political as well as military skills.

VOA: special.2010.06.26

They became known in the industry as Wild Well Control techniques.

VOA: special.2009.03.22

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30