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ACROSS
8 Symmetrical plane curve (8)
9 Os (6)
10 Valentina ___ (b.1937), cosmonaut (10)
11 Eukaryotic organism such as kelp (4)
12 Absence of oxygen (6)
14 The study of motion and energy (8)
15 Joseph ___ (1768鈥�1830), French mathematician (7)
17 Capable of sustaining a nuclear fission chain reaction (7)
20 Star in a late phase of evolution (3, 5)
22 To form bone (6)
24 鈥淭he value of an ___ lies in the using of it鈥� 鈥� Thomas Edison (4)
25 Nerve response (4, 6)
27 Inflammatory disease of the airways (6)
28 The state of having an unpaired chromosome or a single set of unpaired chromosomes (8)
DOWN
1 Food filter for certain whales (6)
2 Lock manufacturer, founded 1868 (4)
3 Archie ___ (1909鈥�88), doctor and epidemiologist (8)
4 Rocket launcher also known as a 鈥渟tovepipe鈥� (7)
5 Area of influence or expertise (6)
6 Procedures also called Pap smears, after Dr Georgios Papanikolaou (5, 5)
7 ___ spirit, antiseptic used in hospitals (8)
13 Photocopy technique invented by physicist Chester Carlson (10)
16 Excessive consumption of a drug (8)
18 Uniformity in all orientations (8)
19 Wasting away (of a body part) (7)
21 2009 sci-fi film directed by James Cameron (6)
23 ___ medal, mathematics prize first awarded in 1936 (6)
26 Product of flocculation (4)
Answers to the Elements crossword
ACROSS:
1 PReCISEs
4 EsCrOW
9 InCoNNU
10 OVULaTiON
11 FeVErISH
12 CAlIPEr
13 ReSPONSIBiLiTiEs
17 WAtCHEr
19 CaReErISTs
22 CArPAcCIO
23 ICoNIC
24 SILaGe
25 CoNFeSSEr.
DOWN:
1 POInTs
2 CArNIVAlS
3 SAmURaI
5 CrOsTiNI
6 WINKErS
7 SOPHISTiCaTiON
8 SUCCUBi
14 OVErArCH
15 TiPSINEsS
16 SWAtCHeS
18 CUPOLa
20 ErOsION
21 ICIEr.
- Answers and the next cryptic crossword on 30 March