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
Snapchat to tell 440,000 Australians to prove they’re 16 or accounts will be locked in social media ban
In-app notifications go out this week to users believed to be aged under 16 ahead of 10 December social media ban
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Snapchat is about to begin alerting some users that their accounts will be deactivated when Australia’s under-16s social media ban takes effect from 10 December.
Users that the platform assesses are likely to be aged under 16 were due to begin getting notifications about the ban this week in-app, via email or SMS.
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