New Scientist - USA (2020-04-18)

52 | New Scientist | 18 April 2020

The back pages Puzzles







  



  

 

 

Our crosswords are

now solvable online

Available at

newscientist.com/crosswords

ACROSS

1 IMs thus to play bridge

between continents (7)

5 Stuck in Vietnam,

I redecorated (5)

8 Performing no gig

en route (5)

9 University football team

swap places for free (7)

10 A listless tone modulated

into repeating patterns (13)

11 Rotten present delivered (6)

12 Pester doctors already

in place (6)

15 No matter, newspaper

stories cover paint

terribly (13)

18 Thank you, men making

Mexican food (7)

19 A Caledonian necktie (5)

20 Journeys Romewards initially

on the fifteenth (5)

21 Under Soviet expansion,

starts to get old (7)

DOWN

1 Bar in Game of Thrones? (5)

2 Matching outfit adds

something extra to

tomorrow’s outerwear (7)

3 Policeman gets in trouble at

the ends of the Earth (8,5)

4 Crafty troublemaker

sneaks in with ease (6)

5 Reptile track starts to

zigzag after 51 yards,

essentially (7,6)

6 Small marsupial takes

setter for a lover (5)

7 Tips from Democrat that

includes a shock repository

of information (4,3)

11 Cover part of cabaret’s

alphorn turn (7)

13 Extremely legal request (7)

14 Criticises some of the most

extreme disasters (6)

16 Shy triumvir oddly

doffs cap (5)

17 Sounds like my Theodore

couldn’t have another

mouthful (5)

Answers and the next quick crossword next week

Quick

Crossword #55

Answers

Cryptic crossword #29 Set by Sparticle Quick quiz #47 Puzzle set by David Bodycombe

Quick quiz #47

Answers

ACROSS 1 Mitral, 4 Avatar,

8  Preemie, 9 Agnosia,

11  Dermatitis, 12 BIOS,

13  Pilot, 14 Acid rain,

16  Speakers, 18 Haulm,

20  MIRV, 21 White noise,

23  Ferrite, 24 Embolus,

25  Lizard, 26 Enzyme

DOWN 1 Morse, 2 Thermal,

3  Aristotle, 5 Vagus, 6 Toolbar,

7  Rhizobium, 10 Steamship,

13  Popliteal, 15 Ichneumon,

17  Alvarez, 19 Ufology,

21  Water, 22 Spume

1 A pteronophobe

would probably be

no ornithophile. Why?

2 The citric acid cycle,

a series of chemical

reactions through which

aerobic organisms derive

energy by breaking down

carbohydrates, fats and

proteins, alternatively often

bears which eponym?

3 What does Snell’s

law describe?

4 The chemical elements

helium, tellurium, selenium

and mercury have what

in common?

5 When fungi and algae

live in happy symbiosis,

they make what?

Answers below

Ornithophilia is a love of 1

birds; pteronophobia is a

fear of feathers

The Krebs cycle, after Hans 2

an-British Adolf Krebs, the Germ

apped researcher who m

portant details of itim

The bending or refraction of a 3

light wave or other wave when it

crosses a boundary between

edia two m

ed after They are all nam 4

celestial bodies: the sun, Earth,

oon and... Mercurythe m

A lichen 5

#55 Ton up

How can you divide 100 into four parts such

that: adding 4 to the first part, subtracting 4

from the second part, multiplying the third part

by 4 and dividing the fourth part by 4 results in

all parts having the same value as each other?

Answer next week

#54 Pyramid of possibilities

Solution

The 21 must be the product of 3 and 7, but in

which order? The 350 isn’t divisible by 3, and

its factors must include the second, third and

fourth numbers on the bottom row, so the first

block on the bottom must be 3 and the second

7. The prime factors of 350 are 7, 5, 5 and 2.
   The second and third numbers in the third row
   multiply to make 350, and are both multiples
   of the third number on the bottom row. So the
   third number on the bottom must be the 5 (as
   there are two factors of 5 in 350) and the final
   block on the bottom is the 2. Given this, all the
   remaining blocks can be solved.

350

257,250

735

21 35 10

3752