[bwi4]

> I could not even try to discover which berries are edible without killing myself.

Eat a small amount and see if you get sick? Science in the wild...

[js2]

https://en.wikipedia.org/wiki/Chris_McCandless#Theories_of_m...

[bell-cot]

Assume that you'll be in a group - some other members of which will be more optimistic than you.