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 country built on agriculture is seeing the sector change as the number of farms shrinks and it becomes harder for young people to buy land
On a farm south of Auckland, Cam Clayton breeds sheep and cattle – working alongside the dogs he’s trained since they were puppies. There, he looks out on knobbly hills and tree-filled gullies in Waikato, close to where he grew up.
“I have the best office, with the best views,” says Clayton.
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