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
Justice secretary announces plan to release ‘certain low-level offenders’ early and also reduce number of foreign prisoners held
Prisoners could be released from jail two months early, the justice secretary has announced, as the pressure on overcrowded prisons intensifies.
In a written ministerial statement, Alex Chalk said prisons in England and Wales would have licence to release “certain low-level offenders” up to 35 days before their sentence was due to end. Officials said the statement would also allow the UK government to extend early release to up to 60 days if necessary in the future.
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