
‘Active recovery’ after exercise is supposed to improve performance – but does it really work?
Imagine you have just finished a workout. Your legs are like jelly, your lungs are burning and you just want to collapse on the couch. But instead, you pick yourself up and go for a brisk walk. While this might seem...

The promise of green iron, steel and ammonia is keeping the green hydrogen dream alive
Hydrogen was once sold as a universal climate fix a clean, green wonder fuel for cars, homes, power grids and even global export. But reality has cooled that buzz. This week, the South Australian government shelved plans...
Analysis: Bolsonaro’s political persecution narrative will be Lula’s biggest problem
The indictment filed by the attorney generals office on Tuesday February 18 against Brazils former president Jair Bolsonaro and 33 other people is the countrys most eagerly awaited and most important political event of...

South Africa’s finance minister wanted to raise VAT: the pros and cons of a tricky tax
South Africas finance minister, Enoch Godongwana, cancelled the unveiling of the countrys 2025 budget as it was due to be released. The move is unprecedented in the countrys history. The reason for the abrupt cancellation...

Climate change could make more turtles female – but some are starting to adapt
Rising global temperatures are a particularly acute threat for the worlds sea turtles. Thats because the temperature of a turtles nest controls the sex of their offspring. Coming ashore onto a beach (often the beach from...

Crystals can’t bend – or can they? New research sheds light on elusive ‘flexible crystals’
We are all familiar with elastic materials just think of a rubber band which can return to its original shape after being stretched. Humans have used elastic materials for millennia. These days, theyre in everything from...

I’m Still Here: a vibrant testament to female resilience that mourns Brazil’s dark past
Director Walter Salless first feature film since 2012, the Oscar-nominated Im Still Here is a return to home ground, and a return to strength, for the Brazilian auteur. At 68, Salles reconnects with his youth, telling a...