Living organisms including humans are social when they live collectively in interacting populations, whether they are aware of it, and whether the interaction is voluntary or involuntary.
Young researchers have received theoretical and practical skills training to study nitrogen at the Ny-Alesund Arctic research centre in Svalbard, Norway.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
