Conservative
no edit summary
03:42
-1
+70
DavidB4-bot
→‎References: HTTP --> HTTPS #3, replaced: http://www.pbs.org → https://www.pbs.org
19:04
+1
clean up & uniformity
17:21
-9
Joaquín Martínez
00:15
+11
00:12
+165
DavidE
added info, with citation; reformatted another citation
19:54
+210
Taj
add link - minor edit
22:59
+4
minor wording change
01:01
+7
00:57
New page: A '''pearl''' is a small, often round, object frequently used in jewelry. A pearl is created when a deposit forms around a grain of sand or other foreign matter that has entered the sh...
00:56
+1,485