How artificial photosynthesis may be key to sustained life beyond Earth
Life on Earth owes its existence to photosynthesis – a process which is 2.3 billion…
Livestock are threatened by predators – but old-fashioned shepherding may be an effective solution
Carnivores like leopards, lions and hyenas have been killing livestock for centuries, causing financial losses…
Do you need to wash rice before cooking? Here’s the science
Rice is a staple food for billions of people in Asia and Africa. It’s also…
AI clones made from user data pose uncanny risks
Imagine, if you will, a digital doppelgänger. A clone that looks, talks and behaves just…
Star is continuing to behave mysteriously – here’s what would happen if it exploded
The bright, red star Betelgeuse in the constellation Orion has shown some unexpected behaviour. In…
Rwanda and Nigeria sign an accord for more responsible exploration – why this matters
In 2020, the United States announced a framework for the private exploitation of space resources.…
Cape Town’s caracals have metal pollutants in their blood — an environmental red flag
South Africa is urbanising rapidly. By 2050, eight in 10 people will live in urban…
Far-right Hindu nationalists are using digital propaganda to delegitimize India’s wrestler protests
For months now, Indian wrestling athletes, including Olympic medallists, have been leading protests in the…
How we may have solved the mystery of its puzzling persistence
First detected accidentally by US military satellites in the late 1960s, cosmic explosions known as…
South Africa’s cold weather has arrived — some tips on how to stay warm and safe
Research shows that the world is undoubtedly warming. And, as the global average temperature keeps…