NEW YORK (WABC) -- The first known case of a more severe strain of Mpox has been discovered in New York City - it is called Mpox clade I. Since November 2024, there have been 11 cases of this more ... MSN: First known hand fossils of extinct human relative reveal ‘surprising’ features The first known hand fossils from an extinct human relative have been unearthed in Kenya, revealing a species with unexpected dexterity and a gorilla-like grip.

Understanding the Context

The hand bones, which were discovered ... Examples: I know (about) this difficulty/problem. I know (about) Engineering. In the first sentence, it seems to me that "to know" expresses that the speaker experienced the problem/difficulty before while "to know about" only expresses that the speaker has heard or read about it.

Key Insights

Why do you think that He doesn't know him from his schooldays means that he does know him? It would only have that sense if you added something like In fact, he first met him at university. I've just seen someone comment: We send our children to fight in a war we know not what we are fighting for. I am not English expert (it's not even my first language) but the structure just seems w... Do you know that he will be our coach?

Final Thoughts

Do you know if he will be our coach? I think both sentences are grammatically ok, just meaning two different things. In the first sentence, it's decided th... Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions. 'know of' is used when you have personal experience with wha...