New Scientist - USA (2021-02-13)

KNOT TY PROBLEM

Break through in

100-year-old math puzzle

AVI LOEB ON ALIEN LIFE

‘We need to be

more open-minded’

IS IT EVER OK TO EAT FISH?

The true toll of our enormous

appetite for seafood

PLUS SPERM RIVALRIES / SCIENCE OF MAYO /

ANCIENT FACE CREAM/ FAIRY CIRCLES /

OR ANGUTANS INVENT NEW SIGNALS /

SPL AT CHEMISTRY / IT ’S A SIN, REVIEWED

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WEEKLY February 13–19, 2021

HOW TO GET

THE MOST OUT

OF YOUR JAB

THE NEW VACCINES

ON THE BLOCK

WHY HOSPITALS ARE SAVING

SO MANY MORE LIVES

Five things you can do to boost

how well a vaccine works

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