Old story-title/author - human kidnapped by aliens

Sorin · Dec 2, 2015

They made him immortal, put in a cage, middle of an island, surrounded by a moat filled with acid.
Aliens want to know what make humans dangerous.

ashewyntr · Dec 4, 2015

Been trying to remember this one for a while:
Short Stories, I almost Remember

otistdog · Dec 9, 2015

Is this "Danger -- Human" by Gordon R. Dickson? See:

Short story where a man escapes a prison cell by creative use of vomit

There are some excerpts that might trigger your memory.

Thread starter	Similar threads	Forum	Replies	Date
T	Ever surprised by how hard (or easy) it is to find out a story title/author?	Book Discussion	2	Oct 21, 2020
P	(Found) looking for title/author of a sci fi short story	Book Search	2	Feb 18, 2020
P	Short story / novelette - I would like to know the title and author	Book Search	1	Oct 20, 2019
S	Searching for sci-fi short story title/author	Book Search	2	Jul 14, 2018
	What's the title or author of story where suicides get the comment "That's evolution in action"?	Book Search	2	Mar 3, 2018