Jean-jacques Hublin

This week's unveiling of the oldest-known Homo sapiens remains has painted an excitingly chaotic picture of what Earth was like 300,000 years ago -- bustling with hominin species that included a very early version of our own, experts say.

This week's unveiling of the oldest-known Homo sapiens remains has painted an excitingly chaotic picture of what Earth was like 300,000 years ago -- bustling with hominin species that included a very early version of our own, experts say.