An old Chinese proverb goes, “If you want to know what water is, don’t ask a fish!” The idea is, a fish has never lived outside its watery world; it’s too close to be objective, taking it for granted.

Impoverished migrant workers in Thailand are sold or lured by false promises and forced to catch and process fish that ends up in global food giant Nestle SA’s supply chains. The unusual disclosure ...

What do the brain and a school of fish have in common? They are both capable of efficient collective information processing, although each unit within them only has access to local information. In the ...