Hosts: Ed Brown, Penny Dumsday, Dr. Shayne Joseph, Lucas Randall

Topics covered: Language 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.

Our theme music, Step On Up, kindly provided by The Upstanding Members.

Hosts: Ed Brown, Penny Dumsday, Shayne Joseph

Topics covered: Older brains and multitasking, Cells grown in a dish have schizophrenia, Antibacterial duck sperm, Early birds had super smell, Earth's crusts float like yo-yos.

Our theme music, Step On Up, kindly provided by The Upstanding Members.

Hosts: Ed Brown, Penny Dumsday, Shayne Joseph and Lucas Randall

Topics covered:

Star-Eating Black Hole May Be Producing Universe's Biggest Explosion, Weight lowers dementia risk, Researchers Grow Protoeye in Dish, Magnets aid brain recovery, Cannibal viruses found in Antarctica, Discoveries Need Dollars, and Sex After a Field Trip Yields Scientific First

Lucas Randall is an amateur astronomer, a skeptic and avid science lover. His Skeptic FAQis one of the best summaries of scientific skepticism. He blogs at http://blog.codenix.org/ and Tweets at http://twitter.com/c0denix.

Our theme music, Step On Up, kindly provided by The Upstanding Members.

Hosts: Ed Brown, Penny Dumsday and Shayne Joseph

Topics covered:

Salamander Eggs and Symbiosis, Dead Stars and Exoplanets, Wasps vs Ants, Yuri's Night, Bacterial Toothpaste and An Ancient Mayfly Fossil

Our theme music, Step On It, kindly provided by The Upstanding Members.