Patrimonio Nacional, organismo público responsable de los bienes de titularidad del Estado que proceden del legado de la Corona española, tiene como fines principales el fundamental apoyo a la Jefatura del Estado para la alta representación, así como la puesta a disposición de los ciudadanos del patrimonio histórico
Ministerio de Asuntos Económicos y Transformación Digital - MINECO
Sitio web del Ministerio de Asuntos Económicos y Transformación Digital que ofrece información en materia de telecomunicaciones, sociedad de la información, espectro radioeléctrico, banda ancha, normalización técnica, plan avanza y firma electrónica
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.