Covid-19 has shone a light on racial disparities in health
Unpicking the causes of gaps in health outcomes requires better data than most countries currently collect
The pandemic has prompted questions about high-stakes exams
But other ways of assessing students create new problems
The UN calls for a surge in aid to help 160m desperate people
Covid-19 means record numbers are in need of humanitarian assistance. But will a cash-strapped world respond?
The pandemic may be encouraging people to live in larger groups
In lockdown people see the appeal of housemates
Covid-19 spurs national plans to give citizens digital identities
MOSIP, an open-source platform developed in India, will be central to many of those efforts
An English ruling on transgender teens could have global repercussions
Worries grow over treatments that can leave children sterile
Paris-anniversary climate pledges bring progress but fall short
Promises at the Climate Ambition summit do not mark a real turning-point
Talks at the WTO to save the world’s fish fail to reach agreement
A missed deadline is terrible news for the oceans
Covid-19 has posed new challenges to the world’s waste-pickers
Those who are better organised have prospered more
Lessons from the pandemic
What a particle a ten-thousandth of a millimetre in diameter has taught the inhabitants of a globe 120 billion billion times its size
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