The Defense Information School (DINFOS) has a long-standing mission of producing outstanding Public Affairs and Visual Information personnel for the U.S. Department of Defense. We are a component of the Defense Media Activity.
Watch shows and news stories straight from our service men and women and catch live events as they unfold around the world. New content is added daily and available for free.
NASA’s award-winning Space Place website engages upper-elementary-aged children in space and Earth science through interactive games, hands-on activities, fun articles and short videos. With material in both English and Spanish and numerous resources for kids, parents and teachers, Space Place has something for everyone.
The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance of matches. BLAST can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families.
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.