The wildcard in all of this is Rose, whose return is still unknown although he has been practicing with the team.

WSJ: Lopez, Blatche help Nets hold off Pistons, 103-99

Even proponents say the clinical significance of nearly all of the millions of mutations found in a person's DNA is still unknown.

WSJ: Making Gene Mapping Part of Everyday Care

While that may not match the hordes who flock to Glastonbury, it is still remarkable in a country where western-style rock music was all but unknown until about 20 years ago.

BBC: Rocking out in Beijing

UNESCO's Clearing House for Literary Translation is a centre for information, guidance and encounter for all those (translators, publishers, researchers, archivists, teachers) working on the discovery and promotion of still unknown literatures.

UNESCO: Languages and Multilingualism