WHAT MAKES US HUMANS ?

Scientists have struggled for centuries to pinpoint the qualities that separate human beings from the millions of other animal species that have evolved on this planet. David Pogue explores the traits we once thought were uniquely ours—language, tool-making, even laughter—to uncover their evolutionary roots.this makes us human as no other organisms can do this

a human is some some one who can do his work on his own with mind and have good habbits & is not like amimals