0
votes
0answers
33 views

Why black plum has a smell so much resembling tobacco?

Why black plum has a smell so much resembling tobacco? What substance does determine it? Can it be used for tobacco replacement?
3
votes
1answer
110 views

Are similar smells usually based on similar chemicals?

Building off of this question: Why does freshly cut grass smell like a watermelon?, is it usually the case that things that we perceive as having similar smells are, in fact, the same or a similar ...
33
votes
5answers
1k views

Human perception of time depending on age

From what I can tell and what thus far all people with whom I discussed this subject confirmed is that time appears to "accelerate" as we age. Digging a little, most explanations I found basically ...