The most significant difference between humans and our primate cousins is a full-on overhaul of our onboard cooling and heat-management systems. We traded body fur for subcutaneous fat, and could suddenly dump waste heat by evaporation at a maximum rate of 750W!
This is one of the most famous pictures taken by the Hubble Space Telescope. The features shown in it are called the Pillars of Creation.
These gaseous structures are part of the Eagle Nebula. The Eagle Nebula is 7000 light years away. The picture was taken by Hubble in 1995. The Pillars of Creation are believed to have been destroyed by the blast w... (more)