Yet, quantum mechanics is far from complete. Despite its success in explaining a wide range of phenomena, questions remain.

Here are the best number 10s - both past and present. Scorer of one of the greatest goals in football history, Dennis Bergkamp was an astonishingly gifted footballer. The 'Non-Flying Dutchman ...

The past tense is used for things that have already happened. He was sticky. The present tense is used when something is happening now or when something happens regularly. He is sticky.

The Elmhurst History Museum's "Snapshots: Elmhurst Now & Then" exhibit blends past and present with enhanced photos ...