For example, a claim has an ICN of 1114100351480. The third and fourth digits of the ICN are 14, indicating the claim was received in calendar year 2014. The fifth, sixth, and seventh digits of the ICN are 100, indicating the claim was received on the 100th day of the calendar year. As such, the claim was received by Medicare on April 10, 2014.
Until recently, life on Earth was said to have begun 3.5 billion years ago, a date originally based on curvaceous, worm-like strings of microfossils â tiny remains of bacteria, protists, fungi, animals, and plants five-thousandths of a millimetre in length, found in the ancient rocks of Western Australia's Marble Bar.
Earliest life on Earth: scientists find evidence in WA rock sediments. Evidence of what could be the earliest forms of life on Earth has been unearthed in the remote Pilbara region of Western Australia. Researchers from Australia and the US have discovered signs of âcomplex microbial ecosystemsâ within rock sediments dated at 3.5bn years old.