Hosts: Ed Brown, Penny Dumsday, Dr. Shayne Joseph, Lucas Randall
\nTopics covered:\xa0Language may have helped early humans spread out of Africa, Pluto's mysterious bulging atmosphere, Worlds with two suns may have black planets, Three 'types' of human gut bacteria found, Whales swim in a straight line, and a family of our ancestors get trapped down a hole.
\nOur theme music, Step On Up, kindly provided by The Upstanding Members.