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An artist’s impression of the Earth around 2.7 billion years ago in the Archean Eon. With green iron-rich seas, an orange methane-rich atmosphere and a surface dominated by oceans, the Archean Earth would have been a very different place. (Illustration by Andrey Atuchin)

Where did the Earth’s oxygen come from? New study hints at an unexpected source

Could tectonic processes in the early Earth have contributed to the rise of oxygen?
Scotty So, Wearing a mask at the end of the Spanish flu, no. 1 2020 inkjet print 76.3 × 50.8 cm (image) 86.5 × 61.0 cm (sheet). National Gallery of Victoria, Melbourne Purchased, Victorian Foundation for Living Australian Artists, 2021 © Scotty So

The Past is Present: reflecting on 150 years of Chinese art at the National Gallery of Victoria

The first Chinese object was acquired by the year-old gallery in 1862. A new exhibition looks at this history – and towards the future.