Ketamine is cheap, easy to get hold of and incredibly powerful.
Extreme heat, wind and sandstorms make the journey treacherous and have Vágner struggling to push on.
Images from the heart of the greatest river basin in the world.
Dr. Pol and his colleagues help farmers and families keep their animals healthy.
From counterfeit money to heroin stings these people landed behind bars abroad.
Meet the famous car manufacturer and watch an elegant sedan transform into an amazing sports car.
Scientists send a house into flight with balloons.
These guys are only interested in creating fish tanks fit for a king!