You want to be Smart Among your friend circle go and watch Discovery Science
The Most Informative Channel present is Discovery channel .
you can get knowledge about various parts of the world, different culture, different species living among us , can get knowledge to be careful with day today life or to get out of an desert, tropical rainforest, sea, ocean etc
you get to know about True Stories about the Lucky People that Survived in Extreme Climatic Conditions , situations etc
The True Knowledge Packed shows events in Discovery Science is worth watching it and you would not be wasting your time.