This crossword No. 12857 clues and answers were published on Tue 26 Jul 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12857 link.
All Across Clues and Answers:
1-across – Maize with ear still intact : CORNONTHECOB
9-across – Inn : HOTEL
10-across – Violent storm : TORNADO
11-across – Meat : PORK
12-across – Careless : SLIPSHOD
14-across – Fish-eating bird : OSPREY
15-across – Effect of body hitting water : SPLASH
18-across – Shy — finishing job : RETIRING
20-across – Couple : PAIR
22-across – Hint : INKLING
23-across – Officer in training : CADET
24-across – Existing over the years : LONGSTANDING
All Down Clues and Answers:
2-down – Rocks appearing at the surface : OUTCROP
3-down – Of no effect : NULL
4-down – Stinging plant : NETTLE
5-down – Sailors’ dance : HORNPIPE
6-down – Vehicle — teach : COACH
7-down – Craving violence and slaughter : BLOODTHIRSTY
8-down – American nightjar — or how will Pip? : WHIPPOORWILL
13-down – Almost successful shot : NEARMISS
16-down – Forsake : ABANDON
17-down – Conundrum : ENIGMA
19-down – Sign, maybe substitute for the real thing : TOKEN
21-down – Decorated with sugary mixture : ICED
This crossword has in total 24 where 12 are across and 12 are down.