Paginas web

http://www.brainmuseum.org/
This web site provides browsers with images and information from one of the world's largest collection of well-preserved, sectioned and stained brains of mammals. Viewers can see and download photographs of brains of over 100 different species of mammals (including humans) representing over 20 Mammalian Orders.

http://images.botany.org/
Through the generosity of the BSA Teaching Section, BSA Education Committee and individual donors, the Botanical Society of America has made a collection of approximately 800 images available for instructional use. A short history of this collection is provided below.



 http://www.accessexcellence.org/RC/VL/GG/
Graphics Gallery is a series of labeled diagrams with explanations representing the important processes of biotechnology. Each diagram is followed by a summary of information, providing a context for the process illustrated.




http://www.wwf.org/
Our mission is to build a future in which people live in harmony with nature. From our experience as the world's leading independent conservation body, we know that the well-being of people, wildlife and the environment are closely linked. That's why we take an integrated approach to our work.




http://www.greenpeace.org/international/en/
Thirty people are behind bars in Russia following a peaceful protest against oil drilling in the Arctic. They took action because they know it is wrong to exploit melting ice to drill for more of the oil that is warming our world.





                                                     http://solarsystem.nasa.gov/index.cfm


Even though they can't talk, robots are impressive storytellers. Dozens of interplanetary spacecraft are out there right now writing the story of our solar system in images and data. This section is a collection of some of the most intriguingimages, videos and even strange sounds created during more than a half century of robotic exploration. Our interactive anddownload sections put together some of those stories in engaging packages. But it is just as interesting to take your own trek though the history and planet galleries and see where you end up. Be sure to take time to vote for your favorite images and watch images rise - and fall - on the Top 10 page and our homepage. You also can expand your exploration by visiting many other great NASA galleries.

                             http://www.nasa.gov/
Scientists from NASA and the Planetary Science Institute in Tucson, Ariz., have identified what could be a supervolcano on Mars—the first discovery of its kind.
NASA is once again open for business in a big way, and we’re back to our core mission implementing America’s ambitious space program.


                                                      http://space.jpl.nasa.gov/

In total, JPL has 19 spacecraft and 9 instruments conducting active missions. All of these are important parts of NASA's program of exploration of Earth, the solar system and the universe beyond. These ventures would not be possible without NASA's Deep Space Network managed by JPL. This international network of antenna complexes on several continents serves as the communication gateway between distant spacecraft and the Earth-based teams that guide them. While carrying out these exploration missions, JPL also conducts a number of space technology demonstrations in support of national security and develops technologies for uses on Earth in fields from public safety to medicine, capitalizing on NASA's investment in space technology. 

                                                    http://www.iucnredlist.org/

The IUCN Species Programme working with the IUCN Species Survival Commission (SSC) has for more than four decades been assessing the conservation status of species, subspecies, varieties, and even selected subpopulations on a global scale in order to highlight taxa threatened with extinction, and therefore promote their conservation. 



                                                     http://www.ciencia.nasa.gov/ciencias-tierra/

Una de las metas científicas más estimulantes y fructíferas de la NASA es la exploración de nuestro propio mundo, la Tierra. ¿Cómo funciona el sistema terrestre? ¿Cómo se afectan entre sí los océanos, los continentes y la atmósfera? ¿Qué papel desempeña la humanidad en el futuro de nuestro ambiente? ¡Para bien o para mal, somos parte del ecosistema terrestre! Mirar hacia abajo desde las plataformas espaciales brinda a los investigadores de las Ciencias de la Tierra, de la NASA, una perspectiva que les permite analizar estos temas de manera global. El conocimiento aumentará a medida que los hechos sustituyan a las creencias. Ciencia@NASA publica, con actualizaciones al minuto, lo que está sucediendo en el Programa de Ciencias de la Tierra, de la NASA.

                                                     http://water.usgs.gov/data/
the National Water Information System (NWIS) is the Nation's principal repository of water resources data. It includes data from more than 1.5 million sites, some in operation for more than 100 years.





                                                    http://www.sky-map.org/


If the mouse is close enough to an object (or right on an object), its Basic Information Window appears showing the data about the object. The basic data include ID, names, constellations, exact coordinates, distances from Earth and apparent magnitudes. If you mouse-click once while this Basic Information Window is still being visible, the Object Page will open. An Object Page contains detailed information about its star. In addition an Object Page displays all photo images where its star is present, articles and all external links about the star.