english: From the skewed distribution of pawedness in cooperative animals, to the slightly larger percentage of lefties in competitive hunter-gatherer societies, we may even find that the answers to some puzzles of early human evolution are already in our hands.
non_english: Od iskrivljene podele upotrebe šapa kod društvenih životinja, do malo manjeg procenta levaka u takmičarskim društvima koja lovaca i sakupljača, možemo čak da otkrijemo da su odgovori na neke nedoumice rane ljudske evolucije uveliko u našim rukama.