Do cats and dogs understand humans when they make miaowing or barking noises?
More than a century after 48 000 people died in concentration camps in what’s known as the South African War between 1899 and 1902 – or the Anglo-Boer War – the events of that period are back in the headlines.
For people working in South Africa’s live music sector, 2020 has been “devastating”. That was the term that researchers read most frequently in responses to the country’s largest-ever live music and COVID-19 survey, published in November. As one respondent put it: "I have lost everything. All income, accommodation – everything".
A species of mosquito that can carry malaria – known as Anopheles stephensi – has invaded eastern Africa and is quickly moving across the region. Moina Spooner, from The Conversation Africa, asked Jeremy Herren and Clifford Mutero to provide insights into why this invasion is happening and what can be done to protect people from it.
Globally, 14 million people are diagnosed with cancer each year, and about nine million lose their lives to the disease annually. But next-generation DNA technologies and sequencing are heralding a change to the outlook of the disease, and the rapid development and roll-out of DNA tests could save lives.
Global warming and air pollution have something in common: their effects on human health. Air pollution is a well-known cause of breathing problems. Hot weather can also bring on these symptoms. Pollution and global warming also affect health in combination.
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