Source  Science Media Centre
Related posts:
Calorie Intake and Outtake [Infographic]
Picturing the Past 10 Years [Infographic]
20 things that happen in 1 minute [Infographic]
Big Brothers Satellites orbiting Earth [Infographic]
iPhone 4 vs. iPhone 3G infographic
Information Explosion & Cloud Storage
The Mechanical Monstrosities of Fossil Fuel Extraction
12 Best Brain Stimulating Activities for Seniors
What Our 7 Billion World Population Does [Infographic]
Solar System Temperatures - Nasa.gov