 |
Multimedia |
Image Galleries
Microscopic Anatomy of the Human Brain: From Ramón y Cajal's Pioneering Work to the Latest Microscopic Techniques
Spanish histologist, Santiago Ramón y Cajal (1852-1934), is credited with establishing modern neuroscience in the early 20th century. Some of Cajal's earliest illustrations of the structures of the nervous system are reproduced in this gallery along with modern images of the human brain. Text and captions by Javier DeFelipe, Instituto Cajal, Madrid. Cajal images are reproduced with permission from Herederos de Santiago Ramón y Cajal. Modern images of the human cerebral cortex by Ruth Benavides-Piccione, Inmaculada Ballesteros-Yáñez and Javier DeFelipe (Instituto Cajal, CSIC).
|
|
Venomous Fishes
In 2006, evolutionary biologists at the American Museum of Natural History conducted a phylogenetic analysis of spiny-rayed teleost fishes. They discovered that at least a thousand more venomous fish species inhabit worldwide aqautic ecosystems—a conservative estimate places the number at 1400 species. This exhibit introduces some of these venomous fish and describes the significance of the new findings. Text and images by Dr. W. Leo Smith, Department of Ichthyology, American Museum of Natural History.
|
Ecological diversification of mammals during the Mesozoic, the Age of Dinosaurs
The Mesozoic Era (about 250 to 65 million years ago) is a geologic time period that is known as the "Age of the Dinosaurs." However, paleontologists are finding more evidence of varied abundance of life during this age, tracing the common ancestor of all living mammals to this time. This exhibit features images of those mammals recreated from the fossil record. Text from W.A. Clemens, Professor Emeritus, Department of Integrative Biology, UC Berkeley.
|
|
The Indian Ocean Tsunami: A Survey of the Underwater Earthquake Zone
On December 26, 2004, a giant earthquake of magnitude 9.3 on the Richter scale was triggered in the deep ocean off western Indonesia. Simultaneously, a devastating tsunami was generated, causing destruction and loss of life around Indian Ocean coastlines. Learn about what happened by viewing images and text from the geologists who, for the first time, were able to survey an underwater earthquake zone immediately after an event of this magnitude. Text and captions by Russell B. Wynn, Senior Research Scientist, Marine Geology and Ecology, National Oceanography Centre, U.K. 3-D color seafloor images sourced from the UK Hydrographic Office (www.ukho.gov.uk).
|
Mars Exploration by Land
NASA's twin rovers Spirit and Opportunity set down on the surface of Mars in January 2004. After meeting the 90-day goal, both rovers continued to dig, measure, observe, photograph, and explore the rough terrain. This Image Gallery showcases images from the surface of Mars, by land, from the rover's point of view.
|
|
Mars Exploration by Orbit
The European Space Agency's (ESA) first mission to Mars, called Mars Express, was launched June 2, 2003 and entered an orbit around the planet by December 25. This Image Gallery exhibits a number of images of Mars captured by the High Resolution Stereo Camera (HRSC)and OMEGA and PFS (Planetary Fourier Spectrometer) onboard Mars Express. Geological evidence, such as dry riverbeds, sediments, and eroded features, indicates that water played an important role in the early history of the planet.
|
Mountain Glaciers
Glaciers in cold mountain regions are key indicators of global climate change. This Image Gallery exhibits glaciers, their behavior, and influence on the surrounding environment. View mountain glaciers dramatically shaping our landscapes around the world, observed from ground and space. Text and images by Wilfried Haeberli, University of Zurich and of The World Glacier Monitoring Service; Dr. Jürg Alean, www.stromboli.net; and Dr. Andreas Kääb, University of Zurich.
|
|
Supernova Remnants
A supernova is the explosive death of a star. This Image Gallery exhibit shows optical, x-ray, and radio images of five famous supernova remnants of varying ages, from the extremely young (SN 1987A, at just over 15 years old) to the very old (Vela and the Cygnus Loop, both around 10,000 years old). Overview and captions by Prof. Stephen Lawrence, Department of Physics & Astronomy, Hofstra University.
|
Cellular Mitosis
Mitosis is the series of visible changes that occur in the nucleus and chromosomes of non-gamete-producing plant and animal cells as they divide. This Image Gallery exhibit depicts these events using state-of-the art microscopy and digital image processing techniques that result not only in exquisite detail but also images of great beauty. Micrographs by Dr. Alexey Khodjakov and Dr. Conly L. Rieder, Division of Molecular Medicine, Wadsworth Center, Albany, New York.
|
|
Pioneers of Flight
Otto Lilienthal and Octave Chanute were the pioneers of flight who most influenced and inspired Orville and Wilbur Wright. Photographs of Lilienthal, a German engineer, depict his flying attempts in various gliders before his career was cut short in a fatal gliding accident in 1895. Chanute, an American engineer, networked with experimenters and became accomplished in his own right for his gliding experiments. See images of Chanute's multiple-wing gliding machine and his 1902 Glider. (Images Courtesy of Carroll F. Gray Aeronautical Collection, Special Collections and Archives, Wright State University, and the Library of Congress)
|
Wilbur Wright's letter to Octave Chanute
Wilbur Wright asks for help from the respected engineer, Octave Chanute, in May of 1900. View all five pages of this original handwritten letter, which provides remarkable insight into the approach the Wright Brothers were planning to take in designing a controllable, heavier-than-air craft. (Images from the Library of Congress)
|
|
Developing the Flyer
From the inspiration of a toy helicoptor to glider tests at Kitty Hawk, North Carolina, view photographic documentation of the Wright Brothers' attempts at human flight and the stages toward a final successful aircraft. View launches and landings, testing tools, and workspace from the years 1900 to 1902. (Images Courtesy of Carroll F. Gray Aeronautical Collection, Special Collections and Archives, Wright State University, and the Library of Congress)
|
The 1903 Wright Flyer and Beyond
The 1903 Flyer was the first aircraft to make a successful, controllable, heavier-than-air flight. View the Flyer at different angles, the customized lightweight motor, and other related images for a complete picture of this breakthrough in aircraft engineering, one century ago. (Images Courtesy Carroll F. Gray Aeronautical Collection, Special Collections and Archives, Wright State University, and the Library of Congress)
|
|
|
|
|
|
|
|
