Felix Cryptic crossword No.7

Across

1

Some intermittent sun amid cold wave? (7)

5

Father about OK to adopt student that could be dotty on gear? (5)

7

Uranium compound initially difficult to set upside down (5)

8

Preparation for shock (7)

10

Midnight broadcast? Blare hottest radio! (6,7)

12

Under the hood of motorcar, there exists a beast! (6,5)

16

Punctuation bizarrely too quaint with gospel writer (9,4) 

18

Rampant crime repressed by teetotallers in states (7)

19

Gout's developed from Italian spirit (5)

21

Epic writer who needs no introduction? Serendip, right? (5)

22

Inactive old flame caught pinching money (7)

Down

1

Without top grades, graduate careers are toil (6)

2

Pick-up kiwi in this? (3)

3

Investigation uncovers defraudment by computers (5)

4

Out of control oddball Boris inundated without lead from Dominic (13)

5

Old ruler is just overstated (7)

6

Run away from overseas on horseback (6)

9

Spanish dish containing T-bone (7)

11

Avatar: it breaks record for James Cameron at heart (7)

13

Meadow runs rife with greater foliage (7)

14

Court exercise close of proceedings ahead of repeal (6)

15

Husband angrily points to UK (3,3)

17

What comes after 

evening piece on 

the radio? (5)

20

Crux of male issue 

to become 

current scandal (3)

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