Host: Jorge Salazar
Lead Producer: Mike Brennan
ES 22 Producers: Deborah Byrd, Beth Lebwohl, Ryan Britton, Emily Howard
Science news of the week:
Distinct speech patterns of psychopaths.
T-Rex grew faster than thought
Improved digital map of Earth wows the world

Improved digital map showing the Grand Canyon. Image Credit: NASA/GSFC/METI/ERSDAC/JAROS,and U.S./Japan ASTER Science Team
Rethinking dark-matter theory
Cool brown dwarf
A record 19 jaguars captured on film in Bolivia. Viva los jaguares!
Song of the week:
Wiretree’s “Travelin’ On”. Wiretree is heading out for their first European tour. Congrats guys, have fun!
This week’s featured stories:
Hydrogen fuel from the sun? CalTech chemist Nate Lewis discusses the potential for humans to create clean energy the way that plants do.
Andromeda Galaxy The most distant thing you can see with the eye alone. Skywatching expert Deborah Byrd explains.

Andromeda Galaxy. Image Credit: Adam Evans
Facebook and your brain Luis Castilla explains a recent study by the Royal Society, suggesting a link between the number of Facebook friends you have and the size and structure of different parts of your brain.
Micro-finance and health Jorge speaks with Dr. Gabriela Salvador of Pro Mujer, an organization that provides poor women in Latin America with the means to create a livelihood via microfinance, business training and healthcare support.
Thanks for listening in. We’ll catch ya next week!
This week’s musical contributors: