text: Magazin tan n science šund siantifik wa eynayan, Sians & tamudre, and  Amerikan cater wan sians i addaroran n addinat wi ɣărrinen ajjotnen tolas ehăk aklulu n ihăndăgan n farăk ahăn ifukkăran d ikităn s dăta daɣ izărăjăn iyyad n fărak