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NASA Earth Science Week - Salt of the Earth

Fri, 30 Oct 2009 00:15:18 -0400

"Salt of the Earth" is Episode 4 in the six-part series "Tides of Change", exploring amazing NASA ocean science to celebrate Earth Science Week 2009. To find out more visit http://climate.nasa.gov/esw Want more? Subscribe to NASA on iTunes! http://phobos.apple.com/WebObjects/MZ... Or get tweeted by NASA: http://twitter.com/NASAGoddard Salinity plays a major role in how ocean waters circulate around the globe. Salinity changes can create ocean circulation changes that, in turn, may impact regional and global climates. The extent to which salinity impacts our global ocean circulation is still relatively unknown, but NASA’s new Aquarius mission will help advance that understanding by painting a global picture of our planet's salty waters. NASA's mission is to pioneer the future in space exploration, scientific discovery and aeronautics r

Space Shuttle STS-98 Landing from Cockpit View

Wed, 07 Nov 2007 00:51:25 -0500

www.shuttlesource.com presents the landing of the Space Shuttle Atlantis on STS-98 as viewed from inside the cockpit. Visit shuttlesource.com for more space shuttle video. Author: shuttlesource. Tags: Space Shuttle NASA STS-98 Landing Atlantis Cockpit. Posted: 07 November 2007. Rating: 0.0. Votes: 0.

The Farallon Islands - "California’s Galapagos"

Wed, 14 Oct 2009 20:03:25 -0400

Lying 28 miles off the coast of San Francisco, the Farallon Islands sit amid one of the most productive marine food webs on the planet and hosts the largest seabird breeding colony in the continental United States. QUEST ventures out for a rare visit to learn what life is like on the islands and meet the scientists who call this incredibly wild place home.

NASA Science for a Hungry World: Part 6

Wed, 04 Nov 2009 22:35:44 -0500

As our series concludes, we ask NASA researchers: how will climate change impact agriculture? To find out more visit: http://www.nasa.gov/topics/earth/features/ag_casts/index.html Want more? Subscribe to NASA on iTunes! http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434 Or get tweeted by NASA: http://twitter.com/NASAGoddard This episode explores the need for accurate, continuous and accessible data and computer models to track and predict the challenges farmers face as they adjust to a changing climate. Watch Goddard TV for the latest in NASA’s research into Astrophysics, Earth Observing, and Solar Sci

NASA Take a "Swift" Tour of the Andromeda Galaxy

Fri, 30 Oct 2009 00:06:29 -0400

For more info visit: http://www.nasa.gov/mission_pages/swift/bursts/uv_andromeda.html Want more videos? Subscribe to NASA on iTunes! http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434 Or get tweeted by NASA: http://twitter.com/NASAGoddard NASA’s Swift satellite has acquired the highest-resolution view of the neighboring spiral galaxy M31. Also known as the Andromeda Galaxy, M31 is the largest and closest such galaxy to our own. It's more than 220,000 light-years across and lies 2.5 million light-years away in the constellation Andromeda. Between May 25 and July 26, 2008, Swift's Ultraviolet/Optical Telescope (UVOT) acquired 330 images of M31 at wavelengths of 192.8, 224.6, and 260 nanometers. The images represent a total exposure time of 24 hours. Some 20,000 ultraviolet sources are visible in the image, including M32, a small galaxy in orbit around M31. Dense clusters of hot, young, blue stars sparkle in the disk beyond the galaxy's smooth, redder central bulge. Star clusters are especially plentiful along a ring about 150,000 light-years across. Watch Goddard TV for the latest in NASA's research into Astrophysics, Earth Observing, and Solar Sci

Causes and consequences of aneuploidy [electronic resource] / Angelika Amon.

Tue, 16 Sep 2008 18:42:27 -0400

(CIT): For the building of an organism, it is essential that cell division occurs in a precise and orderly manner. Deciphering the regulatory networks that ensure accurate segregation of the genetic material is thus vital to understanding both normal cell division and abnormal cell division that leads to cancer and birth defects. My laboratory investigates the controls that ensure that chromosome segregation occurs accurately and that the process is orchestrated with other cellular events. In particular, our work determined the role of the protein phosphatase Cdc14 in the final stages of the eukaryotic cell cycle, called exit from mitosis. During exit from mitosis, cells complete the chromosome segregation phase and get ready for the next duplication phase. We showed that the protein phosphatase Cdc14 is a key trigger of this transition and that its activation during chromosome segregation is essential for exit from mitosis to occur. Furthermore, we elucidated the intricate regulation of Cdc14 by nucleolar sequestration. This work has not only served as a paradigm as to how the regulation of the subcellular localization of a protein controls a key cell cycle transition but also has shed light onto how exit from mitosis is coordinated with other cellular events such as chromosome segregation and mitotic spindle function. We also investigate what happens to yeast cells that, defying the odds, acquired extra chromosomes and hence are aneuploid. We discovered a set of phenotypes common to aneuploid cells that are independent of the chromosomal identity. These phenotypes include a delay in cell cycle progression, a transcriptional signature and effects on cellular homeostasis. The characterization of these cells as well as initial studies on aneuploid mammalian cells will be presented. Dr. Amon conducted her Ph.D. work in the laboratory of Dr. Kim Nasmyth at the Institute of Molecular Pathology in Vienna and obtained her Ph.D. from the University of Vienna in 1993. After a year in Dr. Franz Klein's lab at the Institute of Botany at the University of Vienna, investigating the mechanisms of meiotic recombination, she joined the laboratory of Dr. Ruth Lehmann at the Whitehead Institute, studying how germ cells are formed. During her tenure as a Whitehead fellow, Dr. Amon's laboratory investigated the mechanism of chromosome segregation in budding yeast. Specifically, her lab identified the protein that triggers chromosome segregation by inducing the degradation of a chromosome segregation inhibitor called Securin. In 1999, Dr. Amon joined the faculty of the Department of Biology and the Center for Cancer Research at MIT. In 2000, she was selected to become an Investigator of the Howard Hughes Medical Institute. In 2002, Dr. Amon was promoted to Associate Professor and awarded tenure in 2004. At the Center for Cancer Research Dr. Amon, studies the molecular mechanisms governing mitotic and meiotic chromosome segregation. In particular, her lab deciphered the molecular mechanisms that control the final stages of mitosis and discovered the molecular mechanisms that generate the meiotic chromosome segregation pattern. For more information, visit http://www.hhmi.org/research/investigators/amon_bio.html The NIH Director's Wednesday Afternoon Lecture Series includes weekly scientific talks by some of the top researchers in the biomedical sciences worldwide.

ASLIE BOY Using Amega Nano Wand

Mon, 04 Feb 2008 15:21:25 -0500

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LG ku990 Viewty - Theme Core v1.0 Testing Video

Mon, 11 Feb 2008 21:07:06 -0500

This is a testing video. On this Theme Core v1.0, all images on the theme can be changed. Developers can also design other style on it easily. Please visit www.ku990.co.uk for more information.