The cement needed to make concrete – the most widely used man-made material – is a major source of global emissions. Researchers are working on a green replacement that could transform the sector.
Large, intense bushfires can pump so much heat into the atmosphere they form their own thunderstorm system. And that can make the weather on the ground even more dangerously unpredictable.
Professional societies of doctors, surgeons or physiotherapists are more likely to recommend against treatments provided by others, our new research shows.
The Reserve Bank of Australia says it's prepared to ease monetary policy further if needed to stimulate the economy. But is the policy working when interests rates are so low?
