Every snake attack is a matter of last resort, but which ones reach the end of their ropes first? What are the most aggressive snakes in the world? The black mamba is the fastest land snake in the ...

Watch how the puff adder attacks by presenting the snake a water balloon on at the end of a pair of snake tongs. As you will see, the snake focuses on the balloon right before it ...

The 'Black mamba" mentality is embraced from playgrounds to boardrooms. CNN takes a look at Kobe Bryant's relentless drive and pursuit of greatness.