When a sentence uses a transitive verb to describe an action, it’s necessary for the subject to take a direct object and to act on it: “The woman spurned her suitor last week.” “Her suitor found a ...

When it was made: Second to fourth centuries A.D. Roman dodecahedrons have baffled archaeologists since 1739, when the first example of the 12-sided bronze object was discovered in the English ...

Most supermassive black holes lurk in the nuclei of galaxies, surrounded by stars and glowing with haloes of superhot matter, ...