Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Vanessa Vaughan.
Topics covered:
- Fruitflies evolve number sense
- New technique identifies magnetic cells in animals by watching them spin
- Bad News for Big Brains
- A fifth moon for Pluto!
- 2 million-year-old skeleton found in Cradle of Humankind
- How Tumor Cells Create Their Own Pathways
- Gastric Bypass Surgery Alters Gut Microbiota Profile Along the Intestine
![By NASA, ESA, and L. Frattare (STScI) [Public domain], via Wikimedia Commons](http://scienceontop.com/wp-content/uploads/2012/07/PlutoMoonOrbits.jpg "PlutoMoonOrbits")
By NASA, ESA, and L. Frattare (STScI) [Public domain], via Wikimedia Commons
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