With cages separated by entire rooms. It traveled through the vent system and killed monkeys in two rooms.
“presumably” and “probably” are words antithetical to fact.
‘definitely’ and ‘the evidence proves’ are the words I’m looking for.
That was drama from a "true story" paperback book. The science on it paper is here: http://www.nature.com/srep/2012/121115/srep00811/full/srep00811.html?message-global=remove&goback=.gde_4429892_member_187356406