ACROSS
9 Savoury taste, associated with monosodium glutamate (5)
10 Viral respiratory tract infection (9)
11 Surgical stitches (7)
12 Green variety of beryl (7)
13 See 1 Down
15 Abbreviated name for a trigonometric function (3)
16 The Greek letter ψ (3)
17 1 + 1, for example (3)
19 Concept arising from the second law of thermodynamics (7)
20 Unit of energy and work equal to 10-7 joules (3)
23 See 2 Down
24 Substance released by most cephalopods (3)
25 Type of synthetic polyester resin (5)
27 Woody shrub widely cultivated for its starchy root (7)
29 Researcher who…
