The isthmic organiser located at the midbrain-hindbrain boundary (MHB) is the crucial developmental signalling centre responsible for patterning mesencephalic and metencephalic regions of the vertebra...

Despite an extensive history of study, quantitative constraints on the thermophysiology of Tyrannosaurus rex remain limited. Here, we derive a thermodynamically based determination of T. rex body temp...

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The Academy of Natural Sciences in Philadelphia, which is affiliated with Drexel University, cited attendance struggles and higher costs in its decision to close.

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