15 August 2020 | New Scientist | 53
The back pages Puzzles
Cryptic
Crossword #37
Answers
Quick crossword #64 Set by Richard Smyth Quick quiz #64
ACROSS 1 Bucolic, 5 Pipes, 8 Republics,
9 Ova, 10 Nadir, 12 Isotope, 13 Alpha
particle, 15 Antwerp, 17 Resin, 19 Edo,
20 Slide rule, 22 Rigel, 23 Tetanus
DOWN 1 Boron, 2 Cap,
3 Liberia, 4 Critical point, 5 Pesto,
6 Proboscis, 7 Scalene, 11 Diphthong,
13 Amateur, 14 Torment, 16 Easel,
18 Needs, 21 Urn
1 The structure of which substance
allegedly came to chemist August
Kekulé during a dream of a snake
biting its tail?
2 What might you measure using
a Wheatstone bridge?
3 What form of pneumonia, usually
caused by contaminated water, was
first identified in an outbreak at a
Philadelphia hotel in 1976?
4 What geological era, noted for an
explosion in invertebrate life and
named after a Welsh Celtic tribe, was
sandwiched between the Cambrian
and Silurian eras?
5 Io, Europa, Ganymede...
what’s missing?
Answers on page 54
The last word
Why don’t we have
eyes in the back of
our heads? p56
Feedback
Make like a very, very
bad goose – the week
in weird p55
Cartoons
Life through the lens
of Tom Gauld and
Twisteddoodles p54
Puzzle
Can you help two
maths professors
move house? p54
Scribble
zone
Answers and
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ACROSS
1 Compound of As (8)
5 Unit of distance equal to
31 trillion kilometres (6)
9 Sensory mammalian hairs (8)
10 ___ action at a distance, Einstein’s term
for quantum entanglement (6)
12 Innovation processes (abbrev.) (1,3,1)
13 Hormone that inhibits pain (9)
14 French civil engineer;
programming language (6)
16 Relating to tin (7)
19 Young cats, rabbits or rats (7)
21 Smallest number with six divisors (6)
23 Units of precipitation (9)
25 Message received! (5)
26 Internal; within a building (6)
27 Inflammation of synovial fluid sacs (8)
28 Helical spring toy invented in 1943 (6)
29 Retain; protect (8)
DOWN
1 Online marketing software (6)
2 Natural philosopher, formerly (9)
3 ___ mole rat, eusocial mammal in
the genus Heterocephalus (5)
4 Gerald ___ , conservationist and writer (7)
6 Artificial sweetener (9)
7 Slow-moving arboreal mammal (5)
8 Preservation of human bodies by freezing (8)
11 Probabilities (4)
15 Data collection outside a laboratory setting (9)
17 Person responsible for establishing position
and direction (9)
18 Small rocky islands (8)
20 Form of industrial air pollution (4)
21 Tortoise genus; Roman military formation (7)
22 Marine fish that might be a humphead or
a yellowtail (6)
24 Large lemur, also called a babakoto (5)
25 Increases (5)