BBC Focus 02.2020

DISCOVERIES

Fewerthantwoinevery 100 packedluncheseaten
bychildreninEnglishprimaryschoolsmeet
nutritionalstandards,accordingtoa studyatLeeds
University.Theteamcomparedthenutritional
qualityofpackedlunchesbroughtintoa sampleof
primaryschoolsin 2006 andthenagainin2016.
Althoughtheyfoundtheamountofsugaryfood
included has dropped slightly, the majority of

childrenstilleatcrispsregularlyandjustoneinfive

hadvegetablesintheirpackedlunches.Overthe

sameperiod,eightstandardshavebeenintroduced

forcookedschoollunches,includingrestrictionson

sweets,snacksandfizzydrinks,andminimum

requirementsontheamountofvegetables,protein

anddairyineachmeal.Packedlunches, however,

are not subject to any control.

PACKED SCHOOL LUNCHES LACK NUTRITION

Robots trained to spot brain

tumours faster than humans

Scientistsat NewYorkUniversityhave

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intelligentsystemthatcandiagnosebrain

tumoursfasterandmoreaccuratelythan

humandoctors.

TheAIgeneratedanaccuratebrain

tumourdiagnosisinlessthan 150

seconds,comparedto 20 to 30 minutesby

a pathologylab.Accordingtotheresearch,

whichwaspublishedinthejournal

NatureMedicine, theAI-baseddiagnosis

was 94.6 per cent accurate, compared

to93.9percentforhumandoctors.

“Withthisimagingtechnology,cancer

operationsaresaferandmoreeffective

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neurosurgeryat NYUGrossmanSchoolof

Medicine,whoco-ledthestudy.

Usingthenewtechnique,braintumour

biopsiescouldbetakenfrompatients

andanalysedstraightawayduringan

operation,thereforestreamlining and

improving cancer diagnosis.

MEDICINE

Scanof

a brain

showinga

tumour

(in red)

In numbers

5

DAYS

Thetimeit takesa UK

residentto createthesame

amountof carbonemissions

a personinRwanda

generates each year.

10

YEARS

Theamountbywhich

maintaininghabitslike

exerciseandgooddietcan

boost healthy life expectancy.

20

MILLION

Thenumberof treesthe

NationalTrustplansto plant

over the next decade.