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Additional
Public Broadcasting Service
English Wikipedia - The Free Encyclopedia
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Lead(II) sulfide
Lead(II) sulfide
(also spelled
sulphide
) is an
inorganic compound
with the
formula
Pb
S
. PbS, also known as
galena
, is the principal ore, and most important compound of
lead
. It is a semiconducting material with niche uses.
See more at Wikipedia.org...
PBS
The
Public Broadcasting Service
(
PBS
) is an American
public broadcaster
and
television program distributor
. Headquartered in
Arlington, Virginia
, PBS is an independently operated
non-profit
organization and is the most prominent provider of
television programs
to public television stations in the United States, distributing series such as
Keeping Up Appearances
,
BBC World News
,
NOVA scienceNOW
,
NOVA
,
Sesame Street
,
Doctor Who
,
PBS NewsHour
,
Walking with Dinosaurs
,
Masterpiece
,
Nature
,
American Masters
,
Frontline
, and
Antiques Roadshow
.
See more at Wikipedia.org...
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Wikipedia
®
and is licensed under the
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and under the
Creative Commons Attribution-ShareAlike License