Across
1 Idiot to listen to Observer bigwig (not really listening) (5-5)
6 Extraordinary power sees prison term reduced, twice (2-2)
9 ‘Substance’ and ‘limitless mass’, we’re told; time will tell (4,3,3)
10 Notion discovered in review of encyclopaedia (4)
12 Frantic Met’s about to save people offering defences (11)
15 One of two footballers, calm, returning with malice concealed (7)
16 Bathroom features: abrasive hard sponges, primarily? (7)
17 Some narwhal I butchered to get seafood (7)
19 Wood that sang, perhaps (of birth, that is) (7)
20 Hansel and Gretel running with wobbly legs away from brute (11)
23 Flower taken from Fair Isle (4)
24 Company minutes with potential to settle (10)
25 Primarily, geriatric and getting asinine? (4)
26 One who looks at signs: ‘logo-starer’, fancifully (10)
Down
1 Bullies those with beef? (4)
2 Road signs every so often involved God (4)
3 Star perhaps loved by any he moved (8,4)
4 German car tooted endlessly within earshot (7)
5 Timeless English aquatic bird on a lake (7)
7 Danube and Nile flowing? That’s beyond doubt (10)
8 Nudist’s sea-swimming without support (10)
11 What’s produced by conversion of us immoral lot? (8,4)
13 Wench wanting to repeatedly lose weight to become delightful (10)
14 Reckoning essence of native language is translated (10)
18 Stimulants: great amounts vessel contained (4-3)
19 Nary a little laugh for a loser (2-5)
21 Unpleasant odour of ancient pottery (4)
22 Poet to look like a wolf, reportedly (4)
