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
Pembrolizumab is used to treat triple-negative form of disease but researchers say it could be used more widely
Thousands more women with breast cancer could benefit from a blockbuster immunotherapy drug than previously thought, research suggests.
Pembrolizumab, sold under the brand name Keytruda, targets and blocks a specific protein on the surface of certain immune cells that then seek out and destroy the cancerous cells.
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