BBC Focus - 03.2020

06 EYEOPENER

Incrediblescientificimages

from around the world.

10 CONVERSATION

Yourletters,emails, texts

and tweets.

15 DISCOVERIES

Allthemonth’sbiggest

sciencenews.Inthisissue:

howourmicrobiomecould

haveallowedourspeciesto

spread;thefeasibilityof

buildinga bridgebetween

ScotlandandIreland;

newresearchonthe

causeofmigraines;

cuttlefish cognition.

32 REALITYCHECK

Thesciencebehindthe

headlines.Thismonth:

Arecompostableplastics

anygood?Is Betelgeuse

abouttogosupernova?

What’sthedealwiththe

Huawei 5G controversy?

CONTENTS

40 INNOVATIONS

Thelatesttech news and

gadgetry.

67 ALEKSKROTOSKI

Meetingsomeonenew?

Bebrave,anddon’tstalk

them online first.

68 MICHAELMOSLEY

Whylotsofhealth

testingcouldleadto

needless worry.

89 Q & A

Ourexpertsansweryour

questions. Thismonth:

Whyaresomepeople

moresqueamishthan

others?Is dogfoodsafeto

eat?Howmanybananas

wouldI needtoeatto

become radioactive?

98 RADAR

Yourguidetoupcoming

TV, exhibitions and radio.

104 NEXTMONTH

A sneakpeekat

what’sinnextmonth’s

BBC Science Focus.

104 CROSSWORD

Ourtrickycryptic

crossword.

106 ASCIENTIST’S

GUIDETOLIFE

Getthelowdownon‘that

time of the month’.

REGULARS

38

SUBSCRIBE TODAY!

SubscribetoBBCScienceFocus
today and save 50%!

48

OH,OOBEEDOO

I WANNABELIKEPOO

Itturnsoutthatdisguisingyourselfasa smearof

excrement is a pretty cunning way to hide.

20 34

DISCOVERIES REALITY CHECK

Cuttlefisheatlessforlunchwhen

theyknowtheirfavouritefood is

on the menu for dinner.

Betelgeusehaschangedshape

andbrightness.Is thissupergiant

about to go supernova?