Scientists have long struggled to solve the puzzle of the gearing system on the front of the so-called Antikythera mechanism—a fragmentary ancient Greek astronomical calculator, perhaps the ...

Fragments of the Antikythera Mechanism at the National Archaeological Museum of Athens. © Zde, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via ...

Mechanism of action describes the process by which a molecule, such as a drug, functions to produce a pharmacological effect. A drug’s mechanism of action may refer to its effects on a ...