This crossword No. 12596 clues and answers were published on Thu 23 Sep 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12596 link.
All Across Clues and Answers:
1-across – Inhabitant : RESIDENT
5-across – Worthless people : SCUM
9-across – One of the founders of Rome : REMUS
10-across – People scorning : MOCKERS
11-across – Chronic anxiety about one’s own health : HYPOCHONDRIA
13-across – Most unusual : ODDEST
14-across – Hazard : DANGER
17-across – Attract the most attention and praise : STEALTHESHOW
20-across – Give a right to : ENTITLE
21-across – Become eventually : ENDUP
22-across – Unpleasing to the eye : UGLY
23-across – Fidgety : RESTLESS
All Down Clues and Answers:
1-down – Undercooked : RARE
2-down – Dog — someday : SAMOYED
3-down – Unhappy and unable to be comforted : DISCONSOLATE
4-down – Beautiful young women : NYMPHS
6-down – Transparent : CLEAR
7-down – Indiscriminate slaughter : MASSACRE
8-down – Newspaper giving prominence to gossip : SCANDALSHEET
12-down – French painter known as le Douanier : ROUSSEAU
15-down – Native of Tyneside : GEORDIE
16-down – Cunning plan : WHEEZE
18-down – Speak well of : EXTOL
19-down – Musical composition : OPUS
This crossword has in total 24 where 12 are across and 12 are down.