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HIV Virus infection: Real Video! (not animation) - WWW.OLOSCIENCE.COM By oloscience Scientists have made a breakthrough in understanding how HIV spreads through the human body after filming the process for the first time ever. Researchers found that the virus is transferred from infected cells to healthy ones in a previously unknown way. It is hoped that the discovery will help researchers create a vaccine to combat the virus, which has led to the deaths of more than 25 million people. The study was made possible after experts created a molecular clone of infectious HIV and inserted a protein into its genetic code which glows green when exposed to blue light. This allowed scientists to see the cells on digital video, and capture the way HIV-infected T-cells interact with uninfected ones. They noted that when an infected cell came into contact with a healthy one, a bridge was created between them, called a virological synapse. Researchers were then able to observe the fluorescent green viral particles moving towards the synapse and into the healthy cell. The US study has broken new ground by revealing that it is the synapse through which the viral proteins are gathered and moved into uninfected cells. The team, comprising scientists from UC Davis university in California, and Mount Sinai School of Medicine in New York, believe that this knowledge could help create new treatments for HIV and Aids. Study author Dr Thomas Huser, chief scientist at the UC Davis Center for Biophotonics Science and Technology, said: "Our findings may explain why attempts to develop an HIV vaccine have so far been unsuccessful. "The more we know about this mode of transfer, the better chance we have of figuring out how to block it and the spread of HIV and Aids." For decades it was believed that HIV was mostly spread around the body through freely circulating particles, which attach themselves to a cell, take over its replication machinery and make multiple copies of themselves. In 2004, scientists discovered that cell-to-cell transfer of HIV also occurred via virological synapses, but it was not understood why the process was so effective in spreading the virus. Due to this, previous efforts to create an HIV vaccine have focused on priming the immune system to recognise and attack proteins of free-circulating virus. The new video footage indicates that HIV avoids recognition by being directly transferred between cells. Dr Huser said: "We should be developing vaccines that help the immune system recognise proteins involved in virological synapse formation and antiviral drugs that target the factors required for synapse formation." Co-author Benjamin Chen, assistant professor of medicine and infectious diseases at the Mount Sinai School of Medicine, added: "Direct T-cell-to-T-cell transfer through a virological synapse is a highly efficient avenue of HIV infection, and it could be the predominant mode of dissemination." Further research intends to discover what happens to viral particles once they are transferred into a newly infected cell. The study's finding are published in the journal Science. Tags: 3d, aids, animation, biology, cd4, cells, genetics, hiv, medicine, movie, pcr, science, terapy, video, virus 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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National Geographic explains the biology of homosexuality By dianegosh NatGeo explains how one's sexual orientation is determined during embryonic development. They look at how it is possible for one identical twin to be gay and the other to be straight. They address a new branch of Genetics called, Epigenetics. This area of Genetics explores and explains how one's DNA sequence is NOT the only factor in one's phenotypic (actual) outcome. This episode explains how both twins could have the gene for a disorder, yet only one twin actually has the disorder. The same science explains sexual orientation differences in twins. I have only included the homosexuality explanations. Tags: biology, dna, dna d..., epigenetics, gay, gay rights, gay truth, genetics, heredity, homosexual, homosexuality, lesbian, national geographic, sexual orientation 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Genetics and Homosexuality By freedomlost2007 Gay Brothers needed for a study on Homosexuality .Dr Allen Sanders is interested in finding out if there is a genetic "cause" for Homosexuality. This does not include Lesbians. www.gaybros... Tags: 2008, environment, genetics, homosexuality, medicine, study 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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DNA Lab Part 2 By ScienceOnline Purchase: http://hilaroad.com/video This video includes step by step instructions for extracting DNA from wheat. This procedure can easily be done at home or school with readily available equipment and supplies. Tags: dna, einkorn, extraction, fair, genetics, iceman, lab, neolithic, pcr, science, wheat 1 Downloads - Last from: (Your Blog here!) |
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Gay Scientists Have Isolated the Christian Gene! By DonExodus2 Scientific Breakthrough! Yes, Im a Christian, but this is damn funny. Tags: bible, christian, church, evolution, gay, gays, gene, genetics, homosexuality, isolate, jesus, leviticus, military, scientists, the 1 Downloads - Last from: (Your Blog here!) |
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The Human Genome: Human Genetics and the Brain By UCtelevision Dr. Louis Ptacek's research focuses on identification and characterization of genes that cause normal variations and disorders of the nervous system. Series: "UCSF Mini Medical School for the Public" [7/2006] [Health and Medicine] [Show ID: 11682] Tags: brain, genetics, health, human 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Very Cool 3D Medical Animation By nucleusanimation http://www.nucleusinc.com Nucleus Medical Art's 2007 animation demo reel shows surgery, anatomy, mechanism of action (MOA), and physiology produced for medical devices, pharmaceutical companies, biotechnology, marketing agencies, lawyers, and more. Online at http://www.nucleusinc.com/youtube Tags: 3d, action, animation, art, biology, biotechnology, cell, genetics, illustration, mechanism, medical, moa, nucleus, pharma, scientific 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Scientists presents Proof of Intelligent Design ! Charles Darwin - Origin of Species - Evolution Disproved, Refuted by Biologists and Scientists from Cambri... By VipChannel Intelligent Design proved by - Biologists, Scientists from Cambridge, Chicago, Munchen - debating and refuting Evolution Theory ! Scientists presents Proof of Intelligent Design ! Charles Darwin - Origin of Species - Disproved, Refuted by Biologists and Scientists ! Creation proved by Scientists ! Please watch all parts of this movie: Part 1: http://www.youtube.com/watch?v=X4z0IV... Part 2: http://www.youtube.com/watch?v=YO7gV4... Part 3: http://www.youtube.com/watch?v=og-ll0... Part 4: http://www.youtube.com/watch?v=3NQTMf... Part 5: http://www.youtube.com/watch?v=zpNt8d... Part 6: http://www.youtube.com/watch?v=LQh1E_... Part 7: http://www.youtube.com/watch?v=Cj3PWU... Thank you for watching ! Tags: % can science prove that evolution in wrong? %* can science prove Existence of God? New York Times can science prove the the - universe was created? () (_)can science prove creation? can science disprove God? can science disprove creation? can science disprove evolution? Who created the universe? % What created the universe? Who is Sam Harris ? How did everything begin? How did everything start? Is there a God who created the earth? Is there a God who created the universe? Do we %_ -,- % know everything about evolution? Tags (-): Do we know everything about creation? %* Is there a proof of creation? % Is there anybody out there? Is the truth is out there? Can we rely on science . regarding the evolution? Can we rely on Bible regarding the creation? Can we understand the creation of all things? ^*%$ Can we understand the evolution of all things? Tags: agnostic, allowed, animation, artie, atheism, atheist, atheists, bang, bbc, big, bigbang, blogs, cambridge, center, charles, christofer, christoffer, clarke, comedy, creation, creationism, darwin, dawkins, debate, delusion, devil, ethics, evidence, evolution, evolutionist, expelled, faith, funny, genetics, genome, god, hillary, hitchens, immigration, individual, intelligence, invisible, learn, log, ministries, morality, movement, myers, no, obama, paul, people, priest, pz, questions, rap, religion, responses, richard, ron, science, tullycast, universal 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Dr. Ian Weber from UK converts to Islam By thinkislam78 http://www.ediscoverislam.com http://www.islamicpodcast.com/ Dr. Ian Weber from UK converts to Islam. Ours is an era of space probes, computer chips, laser surgeries and cloning. If we were to label any book as a revelation from God, we couldn't help but to scrutinize this Scripture using modern scientific knowledge. It could not be that a revelation, proclaiming itself from God, could constitute aspects contradicting established scientific facts. How could we assume otherwise, when God is the one who created the universe and the laws operating within it. The Quran was revealed 1400 years ago to the last Prophet of God, Prophet Muhammad (peace be upon him) as a guidance for all humanity. The entire Quran has been committed to memory by millions of Muslims around the world and has been preserved by God from any interpolations, for continuing guidance. Besides providing guidelines in personal, socio-economic-politico, moral and spiritual spheres of humanity, the Quran touches upon diverse scientific topics like astronomy, geology, embryology, genetics, biology, archeology etc. Dr. T.V.N. Persaud professor of Anatomy, says: "You have an illiterate person {Prophet Muhammad (Peace & Prayers Be Upon Him) ) making profound statements that are amazingly accurate, of a scientific nature.I personally can't see how this could be mere chance, there are too many accuracies and like Dr. Moore, I have no difficulty in my mind reconciling that this is a divine inspiration or revelation which lead him to these statements". A comprehensive learning guide to understanding Islam. For Muslims and non Muslims. http://www.ediscoverislam.com/downloa... http://www.idiscoverislam.com/ Islamic Learning Portal is rich with information pertaining to Islamic creed and practices; the ideal Islamic lifestyle; and Quranic resources. This website is for Muslims (born and new), as well as those who are interested in learning about Islam. Tags: allah, archeology, astronomy, believers, biology, embryology, england, genetics, geology, humanity, ian, islam, peace, quran, uk, weber 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Evolution of Life On Other Planets: Even the Gods Have Gods By Sarastarlight http://Cosmology.com Evolution & Metamorphosis of Life From Other Planets. Even the Gods have Gods. The seeds of life, actual living creatures and their DNA, flow throughout the cosmos and have taken root on innumerable worlds much older than our own. And these genetic seeds contain the DNA instruction for the metamorphosis of all life, including woman and man...and this is how life on our planet began. Life on Earth came from other planets and these living creatures contained the genetic instructions for the evolutionary metamorphosis of all life which has taken root on Earth--replicating and recreating living creatures that long ago lived on other planets. This is Dr. Joseph's last and final film. Tags: abiogenesis, aliens, astrobiology, bacteria, charles, creationism, darwin, dawkins, design, dna, evolution, genetics, god, intelligent, joseph, life, organic, origin, panspermia, rhawn, soup, survival of the fit, ufos 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Transcription and Translation By msc0328 This is another clip from the PBS production DNA: The Secret of Life. A Windfall Films Production for Thirteen/WNET New York in association with Channel Four. © 2003 Educational Broadcasting Corporation. Tags: cell, dna, genetics, rna, transcription, translation 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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RNA Transcription By teachertubescience WEBSITE: http://www.teachertube.com A quick explanation of the process of transcription Tags: back, biology, dna, genetics, lesson, plan, plans, resource, resources, rna, school, schools, science, student, students, teacher, teachers, teachertube, to, transcription, translation, tube 2 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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Representacion gráfica algoritmos genéticos By caxdel Representacion gráfica del algoritmo genético para solucionar el problema de la mochila Tags: algorithms, algoritmo, artificial, genetics, genético, inteligencia, intelligence, usac 1 Downloads - Last from: http://downthisvideo.com/ (Your Blog here!) |
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