Martha Stewart on MSN: Do eggs expire? How to tell if your eggs have gone bad
Yes, eggs do expire and go bad. Here's how to tell whether the dozen you bought are still good.
Do eggs expire? How to tell if your eggs have gone bad
AOL: How to Tell If Eggs Have Gone Bad: 4 Simple Methods
MSN: How to tell if eggs are bad: 3 simple home tests that really work
How to tell if eggs are bad: 3 simple home tests that really work
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...
"Know about" vs. "know of" - English Language & Usage Stack Exchange
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.
to know vs to know about - English Language & Usage Stack Exchange
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.
Earth is the only planet we know of where life exists. This sentence is from the commentary of Planet Earth. Why it is know of in this sentence? Can it be know about？ What’s the difference bet...