Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia. Ancient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging. Continue reading... from The Guardian https://ift.tt/vFNkr3E via IFTTT
Protesters who took part in the 2014 movement against closer ties with China say it holds lessons for Hong Kong and Ukraine
Rushing over walls and through doors, they clambered into the parliamentary chamber, crowding the halls with placards, while piling chairs against the door as barricades against police.
Hundreds of young people, mostly Taiwanese university students, were storming Taipei’s national legislature.
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