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
Twelve teachers also kidnapped from Catholic school amid threats from Trump to intervene over ‘Christian genocide’
Unknown gunmen have abducted 215 schoolchildren and 12 teachers from a Catholic school in central Nigeria, the second mass abduction in the country in a week.
The latest kidnapping, in Papiri community in Niger state, came against the backdrop of Donald Trump’s threat to intervene militarily to end a “Christian genocide”, which the Nigerian government has denied is happening.
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