Johnson says that her students, over the past several years, have increasingly used a more informal English vocabulary in formal assignments.

VOA: standard.2010.01.16

Another problem is access. Connecting informal communities to the city's water pipeline is a challenge because many are living on the land illegally.

VOA: standard.2010.08.04

University-level research papers, she says,are now being peppered with casual phrases like "you know" and words like "guy" informal usages that were absent almost a decade ago.

VOA: standard.2010.01.16

"A science caf, it's a concept that actually started in Europe, and it was an idea to get scientists engaged in an informal conversation with the general public."

VOA: standard.2010.05.04