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 …
An illustration of Cape Copenhagen 2 million years ago.Drawing: Beth Zaiken A team of scientists has sequenced the oldest DNA to date, found in permafrost in the far north of Greenland. The DNA is 2 million years old, surpassing the previous oldest DNA record by a million years. The genetic material came from 41 sediment …
‘Amazing’ DNA 2 million years old reveals ancient ecosystem in Greenland Read More »
Dinosauria Owen, 1842 Theropod Marsh, 1881 Dromaeosauridae Matthew and Brown, 1922 Halszkaraptorinae Cau et al., 2017 Revised diagnosis Small dromeosaurids that possess dorsoventrally flattened premaxillae, premaxillary bodies perforated by numerous neurovascular foramina, enlarged and crowded premaxillary teeth that used delayed replacement patterns, reduced anterior maxillary teeth, dorsolateral placement of retracted external nostrils, very elongated cervical …
Microbes that live in extreme environments, known as extremophiles, have a range of uses in the laboratory.Credit: Steve Gschmeissner/SPL How did eukaryotic life – the realm that includes humans – evolve? Ten years ago, this was the question that occupied Thijs Ettema and his colleagues. They found the answer in the genomes of previously unknown …
CNN — Chris Hemsworth embarked on a personal and physically demanding journey for his new “Limitless” series that ultimately led to a sobering discovery. The ‘Thor’ actor, 39, learns in an episode of the Disney+/National Geographic limited series – which shows him exploring ways to improve his longevity and fight aging – that he has …
