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You may think of dust as an annoyance to be vacuumed and disposed of, but actually, on a grander scale, it is far more important than most people realise. Globally, dust plays a critical role in regulating our climate, radiation balance, nutrient cycles, soil formation, air quality and even human health. But our understanding of it has been hampered by limitations in current mathematical models. These models, built on methods developed decades ago, struggle to accurately simulate the properties and quantities of dust. The latest research by my colleagues and I sheds light on these limitations and suggests a more nuanced picture of dus...... Read Full article on GretAi

Welcome to your new Earth. A world where the sky is no longer blue but a thick yellowish haze. A deep breath is no longer refreshing but, instead, will suffocate you. And the ground beneath your feet is so hot that it's melting your shoes. Earth's atmosphere has transformed into the conditions of our planetary neighbor and so-called evil twin, Venus. At a distance of 108 million km (67 million mi) from the Sun, Venus is the second closest planet to the Sun in our Solar System. So, it shouldn't come as a surprise that the planet of love is a broiling hot inferno. On its surface, temperatures soar beyond 460 °C (870 °F), and the atmosphere is...... Read Full article on GretAi