A two-page resource, prints back to back as a single sheet. Can be amended similar to other resources by the same author. Excellent for reading and writing exercise for students and for general interesting classroom discussion based on up-to-date topics.
The oldest known fossils – dating back 3.7 billion years to a time when the Earth was still being bombarded by asteroids – have been found in Greenland, scientists announced in a discovery that could have “staggering” implications.
Rocks recently exposed after a once-permanent layer of snow melted were found to contain stromatolites, sediments the researchers said had been created by the growth of layer upon layer of micro-organisms.
If confirmed as evidence of life, they are about 220 million years older than the previous record holder and the researchers said the “sophistication” of the microbes pointed to life on Earth beginning more than four billion years ago.
The oldest known fossils – dating back 3.7 billion years to a time when the Earth was still being bombarded by asteroids – have been found in Greenland, scientists announced in a discovery that could have “staggering” implications.
Rocks recently exposed after a once-permanent layer of snow melted were found to contain stromatolites, sediments the researchers said had been created by the growth of layer upon layer of micro-organisms.
If confirmed as evidence of life, they are about 220 million years older than the previous record holder and the researchers said the “sophistication” of the microbes pointed to life on Earth beginning more than four billion years ago.
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