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
Beat Denmark and qualification for first time since 1998 is guaranteed. Is it in the stars?
Wounding events in modern history mean Scotland can not be a football country that expects. It is, however, one on tenterhooks as the prospect of long‑awaited World Cup qualification looms so large.
On paper, the task is simple: beat Denmark at Hampden Park on Tuesday and the Scots will take a place in next summer’s tournament. It is the significance of progress that matters far more than the fact the Danes are ranked 18 places higher in the world.
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