SOLUTION TO PRIZE CROSSWORD No 15,732:

ACROSS: 1 Reciprocate. 9 Android. 10 Program. 11 Ash. 12 Know-all. 13 Abashed. 14 Pie. 15 Extra. 17 Ochre. 18 Cream. 20 Rheum. 22 Tit. 24 Hacksaw. 25 Cortege. 26 Bah. 27 Replica. 28 Orifice. 29 Safekeeping. DOWN: 1 Radio telescopes. 2 Chorale. 3 Pedal. 4 Orphanage. 5 Avocado. 6 Earth-shattering. 7 Mark up. 8 Smudge. 16 Throwback. 18 Cohort. 19 Mastiff. 21 Martini. 23 Tiered. 25 Choke.