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2020 was the second-hottest year on record, Met Office says © Getty Images

2020 was the second-hottest year on record, Met Office says

COVID-19: First wave patients may 'be vulnerable to catching it again' © Getty Images

COVID-19: First wave patients may ‘be vulnerable to catching it again’

Coffee Cup © Getty Images

Drinking more coffee every day could lower your risk of prostate cancer

Flat-faced 'grumpy cats' may struggle to communicate how they feel © Getty Images

Flat-faced ‘grumpy cats’ may struggle to communicate how they feel

Pfizer vaccine may protect against mutant strains of coronavirus ©Danny Lawson/PA News

Pfizer vaccine may protect against new strains of coronavirus

Humans domesticated dogs by sharing leftover meat with wolves © Getty Images

Feeding wolves leftovers turned them into our pedigree chums

Everything you need to know about the Oxford COVID-19 vaccine UK © Gareth Fuller/PA

COVID-19 Everything you need to know about the Oxford vaccine

Extra exercise in midlife could protect the brain in later life © Getty Images

Extra exercise in midlife could protect the brain in later life

COVID-19: Everything you need to know about the Moderna vaccine © Moderna/PA

COVID-19 Everything you need to know about the Moderna vaccine

Tiny microneedles on the smart vaccine patch in development © Swansea University

COVID-19 vaccine ‘smart patch’ uses microneedles to deliver immunity

Rare ant rescued from brink of extinction with help of DIY conservation tools ©John Walters/Buglife/PA News

Rare ant rescued from brink of extinction with help of DIY conservation tools

Everything you need to know about long COVID © Getty Images

Everything you need to know about long COVID

World’s most threatened orangutan species ‘in more trouble than previously thought ©Andrew Walmsley, PA News

World’s most threatened orangutan species ‘in more trouble than previously thought’

COVID-19: South African strain not expected to beat vaccine, expert says © Getty Images

COVID-19 South African strain not expected to beat vaccine, expert says

COVID vaccine UK: everything you need to know about the new coronavirus jabs © Getty

Coronavirus vaccines All you need to know