modern

Oldest DNA sheds light on 2 million year old ecosystem that has no modern equivalent |  CNN

Oldest DNA sheds light on 2 million year old ecosystem that has no modern equivalent | CNN

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — An Ice Age sediment core from northern Greenland has produced the oldest DNA sequences in the world. The 2 million year old DNA samples revealed that the now largely lifeless polar region was …

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Fossil disrupts more than a century of knowledge about the origin of modern birds

Fossil disrupts more than a century of knowledge about the origin of modern birds

Artist’s reconstruction of the last known toothed bird, Janavis finalidens, in its native environment surrounded by the concomitant “wonderchicken”, Asteriornis. 66.7 million years ago, parts of Belgium were covered by shallow seas and conditions were similar to modern tropical beaches in places like the Bahamas. Janavis was a very large seabird, with long wings and …

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