The Oldie Mag Genius Crossword 240

[Griffrosie]

Please help! I've bought this magazine, but may be fighting above my weight it seems..... Could you help with these couple of clues to get me going?

8A - Jump, getting message about port (8) Starts with a C

29A - Allies rise anew after damage (7) Second letter A

36A - James turned with expression of surprise in hideout, showing bottle (8) Ends in N

3D - Rising worry restrained by batting expert getting boundary (9) 4th letter ?E

20D - Army not so involved in scientific study (9) No letters yet....

Fingers crossed!

[vegasmad]

20d. astronomy

[grasscarp]

20d Astronomy

[vegasmad]

29a. marries

[Harry-Wragg]

36a demijohn - jim(backwards for James) + oh(expression of surprise) + den(hideout) - anagram

[slaney]

8a Cab(rio)le

[Otleybard]

3d In-terf-ace. (In = Batting, terf = fret rising, ace = expert, Interface = boundary.)

[pbeach]

3d interface