Science is the effort to discover, and increase human understanding of how the physical world works. Through controlled methods, scientists use observable physical evidence of natural phenomena to collect data, and analyze this information to explain what and how things work. Such methods include experimentation that tries to simulate natural phenomena under controlled conditions and thought experiments. Knowledge in science is gained through research.

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A New Kind of Science - Stephen Wolfram Noted scientist Stephen Wolfram shares his perspective of how the unexpected results of simple computer experiments have forced him to consider a whole new way of looking at processes in our universe. Series: "Frontiers of Knowledge" [4/2003] [Science] [Show ID: 7153]

Avatar: Science Behind Pandora For more Avatar videos, go to go.discovery.com For his new movie Avatar, director James Cameron took real world science into the outer reaches of science fiction. Jorge Ribas finds out how he created the alien wildlife of planet Pandora.

Ali G- Science Ali G talks to some geezers about science, and techmology

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Wired Science: World's Most Powerful Lasers Wired Science heads to the National Ignition Facility, where an enormous 192-beam laser bay may become capable of fusing hydrogen atoms into helium - creating an endless, clean source of energy. For more information, check out the Wired Science blog: snurl.com Or subscribe to Wired Science video podcasts through itunes: snurl.com

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