Picture writing the numbers 1 to 5 in a horizontal line, from smallest to largest. Where did you put 1? If you placed 1 on the left and 5 on the right, you share this preference with most humans. Picture writing the numbers 1 to 5 in a horizontal line, from smallest to largest. Where did you put 1? If you placed 1 on the left and 5 on the right, you share this preference with most humans. Plants & Animals Phys.org – latest science and technology news stories