/u/CommercialCost's posts

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When did we humans start measuring our biological age? If you were born in the winter do people just assume that every winter is your "birthday"? When did a concept of "legal age" start to matter?

5608 upvotes • r/AskHistorians

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Were there any ancient cultures who tackled mental health issues in a relatively scientific/modern way?

30 upvotes • r/AskHistorians

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What does "degree of activation" mean in relation to activated carbon?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
When did we humans start measuring our biological age? If you were born in the winter do people just assume that every winter is your "birthday"? When did a concept of "legal age" start to matter?	5608	AskHistorians
Were there any ancient cultures who tackled mental health issues in a relatively scientific/modern way?	30	AskHistorians
What does "degree of activation" mean in relation to activated carbon?	1	askscience