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
House Democrats vow to vote no but Republican leaders optimistic legislation to reopen government will pass
The House on Wednesday began voting on legislation that would end the longest government shutdown in US history, as Democrats voiced fury that the Senate-brokered compromise fails to extend expiring healthcare subsidies.
The House returned to Washington to vote after a more than 50-day absence ordered by the Republican speaker, Mike Johnson, to pressure Senate Democrats into reopening the government.The measure’s passage would be welcome news for the White House, which is looking to end the shutdown.
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