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Small molecules diffuse through
Dopamine and serotonin do not act in isolation
The stage they were looking for under the microscope
An extra chain to add to your order
Cajal's 1873 silver-staining technique
T-Rex skull necklace | silver vermeil Small molecules diffuse throughT Rex skull necklace sterling silver Imagine the bite force: 35,000 to 57,000 newtons, a pressure no living animal can match. Tyrannosaurus rex, late Cretaceous, 68 to 66 million years ago, 12 to 13 metres long. Sue, the most complete skeleton ever found, sits in the Field Museum in Chicago, discovered in 1990. This skull, worn as a 23 mm sterling silver pendant, carries the weight of that apex predator, the scale of deep time, and the fact that
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