ACROSS
7 Taxonomic classifications enrage Crick (6)
8 Imagine sparticle disappearance clearing up a mystery (6)
9 Mark the disappearance of a blood relative (4)
10 Somehow find container for little seen type of light (8)
11 Old software key ran out early, revealed protective layer (11)
14 Imply a loon ruined primary school – they have so many terms! (11)
18 Higher frequency signal to wreak havoc on integrated circuit (8)
19 Nerve fibre lost to my classification scheme (4)
20 Jo unceremoniously revealed the change in jerks over time (6)
21 10 across trap for some chemical doppelgänger (6)…
