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Meteor Crater, Arizona. This crater is the result of an impact of a 50m meteor, whereas the impacts described in the current work may have been hundreds of times bigger.…
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One of the 2.7 billion year-old diamonds used in this work. Credit: Michael Broadley A unique study of ancient diamonds has shown that the basic chemical composition of the Earth’s…
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Artist’s impression of a Squalicorax shark. Credit: Dimitri Bogdanov Scientists have found an unexplained cache of fossilized shark teeth in an area where there should be none — in a…
