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
A sharply satirical attack on unevenly applied 19th-century laws to enforce religious observance still bites today
Rich or Poor, or Saint and Sinner
The poor man’s sins are glaring;
In the face of ghostly warning
He is caught in the fact
Of an overt act —
Buying greens on Sunday morning.
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