Do faces always lie? Scientists have built the head of a 75,000-year-old human cousin for a new Netflix documentary. But some say we will never really know what lies behind people's faces.
What this Neanderthal woman says about us

Do faces always lie? Scientists have built the head of a 75,000-year-old human cousin for a new Netflix documentary. But some say we will never really know what lies behind people's faces.