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
Mikel Arteta urged fans to bring ‘your lunch, bring your dinner’ but when the set pieces fail to fire his side are short of a full plate
It was another one of those games where Arsenal had found it necessary to rouse the troops beforehand. Mikel Arteta, in his occasional, unusual jokey mode, had urged Arsenal fans to “bring your lunch, bring your dinner” and make this 12.30 kick-off an occasion.
The players, meanwhile, had been training under the eye of a big screen broadcasting footage of Arsenal in happy, successful moments, presumably to encourage the creation of more. “Every game, we have to be there,” Arteta said. So were they?
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