USA

Coronavirus epidemic by numbers

I stay on the numbers because this week, the USA has officially counted 200,000 COVID-19 deaths. Words like “terrible landmark” just don’t seem to be enough on that toll face. Numbers are valuable. Case calculations help scientists detect the spread of infection. The death toll helps policymakers figure out where …

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The big boom of dinosaur teeth Spinsaurus was actually a river monster

The discovery of more than a thousand fossil teeth in prehistoric river beds is eating away at our current definition of dinosaurs. Today, paleontologists generally consider this extinct group of reptiles to be simply land-based, but an enormous species will simply not survive. Species, Spinosaurus aegyptiacus, With its huge fin-like …

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