The Canadian fossils belong to the White Sea group. But they appear to be around 567 million years old – 5 to 10 million ...
Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...
The bacteria that cause deadly anthrax disease persist in the earth, a place their ancestors preferred over petri dishes and blood-filled tissues. As a public health researcher, I am fascinated by how ...
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