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La petite guepe Dinocampus coccinellae a fait du chemin depuis qu'elle est l'objet d'une recherche au laboratoire d'entomologie de Jacques Brodeur, professeur au Departement de sciences biologiques et chercheur a l'Institut de recherche en biologie vegetale (IRBV) de l'Universite de Montreal. Une telle photo, ou l'on voit en contre-plongee la guepe sous sa forme larvaire dans son cocon surmontee de la coccinelle parasitee (Coccinella maculeata), ca se prepare. Le photographe Anand Varma s'est presente a l'IRBV « avec des kilos et des kilos de materiel photographique. In the zombie flicks 28 Days Later and I Am Legend, an unstoppable viral plague sweeps across humanity, transforming people into mindless monsters with cannibalistic tendencies. Combine rabies with the ability of a flu virus to spread quickly through the air, and you might have the makings of a zombie apocalypse. If the genetic code of the rabies virus experienced enough changes, or mutations, its incubation time could be reduced dramatically, scientists say. Many viruses have naturally high mutation rates and constantly change as a means of evading or bypassing the defenses of their hosts. There are various ways viral mutations can occur, for example through copying mistakes during gene replication or damage from ultraviolet light.
I thnk we are seeing over the last 50 years more man made viruses than ever in the history of Science,combining rabies with the flu this article says, well this is how they mixed swine with bird flu, always trying to make something more lethal, WHY?come to think of it, what has the new religion of science done for mankind? Fear mongering (or scaremongering or scare tactics) is the use of fear to influence the opinions and actions of others towards some specific end. Astronomers suspected that white dwarf stars dine on huge chunks of rocka€”new observations provide the smoking gun. For the first time, a small star called a white dwarf has been spotted tearing a nearby space rock into bits. A hot, dense white dwarf star, no bigger than Earth but with as much mass as the sun, has been caught in the act of ripping an asteroid-like object to shreds. The white dwarf, known as WD 1145+017, lies about 570 light-years away in the direction of the constellation Virgo. While WD 1145+017 was not a Kepler target, it was in the telescopea€™s field of view, and it was immediately clear to Vanderburg and his planet-hunting colleagues that something was transiting. The exciting thing is that, yes, the story wea€™ve been developing over the past decade works the way we think it works. All of this might have been tough to unravel, except that astronomers have been noticing some peculiar things about white dwarfs for about a decade. Another peculiarity is that many white dwarfs appear to be surrounded by swirling disks of dust, which presumably supply the heavy elements that fall into the starsa€™ atmospheres.
The discovery is a coup for Vanderburg and his collaborators, but it also signals a potentially powerful technique theorists might one day use to study exoplanets themselves.
There could be other interpretations of these observations, but Gänsicke is convinced that the one from Vanderburga€™s group is plausible.
Comparing a bleached anemone to the undead may be a bit of a stretch, but it is fair to say a bleached anemone is hovering somewhere between life and death and depending on what happens next, it can go either way. We got a closer look at the phenomenon of bleached anemones earlier this year during a research mission in the British Indian Ocean Territory.  When we arrived in this massive Marine Protected Area (MPA) we saw thousands of corals competing for reef space in the shallow water.
Warm, sunny days with little wind made the diving easy, but the hot temperatures and calm seas we were enjoying belied their real impact. Coral bleaching may be more familiar than anemone bleaching, but these two processes are nearly identical.
The advantages to the anemone fish are fairly obvious; the anemone provides the fish with a home where it lives under the protection of the anemones many stinging tentacles.
As the water of the British Indian Ocean Territory kept warming, we watched as some corals went through a rainbow transformation becoming multicolored, some continued to look healthy and others turned a bleached white. Because anemones get most of their nutrition from plankton and small fish, rather than symbiotic algae, many of them can survive bleaching if the water temperature goes back down, but studies show that their body size may shrink by over a quarter after they have bleached. Ocean ViewsOcean Views brings new and experienced voices together to discuss the threats facing our ocean and to celebrate successes. The Aquarium of the WorldDescribed by Jacques Cousteau as the "aquarium of the world," the Gulf of California in Mexico is threatened by coastal development, climate change, and other human activities. The carbon dioxide we pump into the air is seeping into the oceans and slowly acidifying them. Photograph: Clownfish reared in acidified water can't recognize the chemical signals that guide them to their unusual home—the tentacles of an anemone.


Swedish police have ceded control over 55 ‘no-go zones’ to predominately Muslim criminal gangs. Do not take the Flue vaccine National geographic Zombie Virus” Possible via Rabies-Flu Hybrid? In the zombie flicks 28 Days Later and I Am Legend, an unstoppable viral plague sweeps across humanity, transforming people into mindless monsters with cannibalistic tendencies. For instance, rabies—a viral disease that infects the central nervous system—can drive people to be violently mad, according to Samita Andreansky, a virologist at the University of Miami’s Miller School of Medicine in Florida who also appears in the documentary.
Unlike movie zombies, which become reanimated almost immediately after infection, the first signs a human has rabies—such as anxiety, confusion, hallucinations, and paralysis—don’t typically appear for ten days to a year, as the virus incubates inside the body. But for the rabies virus to trigger a zombie pandemic like in the movies, it would also have to be much more contagious.
Humans typically catch rabies after being bitten by an infected animal, usually a dog—and the infection usually stops there. Thanks to pet vaccinations, people rarely contract rabies in the United States today, and even fewer people die from the disease. A faster mode of transmission would be through the air, which is how theinfluenza virus spreads. Different forms, or strains, of the same virus can swap pieces of genetic code through processes called reassortment or recombination, said Elankumaran Subbiah, a virologist at Virginia Tech who was not involved in the documentary. But unrelated viruses simply do not hybridize in nature, Subbiah told National Geographic News.
Likewise, it’s scientifically unheard of for two radically different viruses such as rabies and influenza to borrow traits, he said.
Enter your email address to subscribe to this blog and receive notifications of new posts by email. Though dead humans can’t come back to life, certain viruses can induce such aggressive, zombie-like behavior. For instance, rabies—a viral disease that infects the central nervous system—can drive people to be violently mad, according to Samita Andreansky, a virologist at the University of Miami’s Miller School of Medicine in Florida who also appears in the documentary. A faster mode of transmission would be through the air, which is how the influenza virus spreads. Different forms, or strains, of the same virus can swap pieces of genetic code through processes called reassortment or recombination, said Elankumaran Subbiah, a virologist at Virginia Tech who was not involved in the documentary. Guest Author is our account that gives a voice to any author who wants to write about zombies. Our mission is to be the voice of the independent zombie community and bring awareness and uncensored entertainment to the zombie loving masses. Il a travaille durant quatre journees entieres, mitraillant sans relache la coccinelle et son parasite », raconte Jacques Brodeur.
En tissant sa toile dans les pattes de son hote, la guepe se pare d'une protection vivante pour assurer sa survie. The feared object or subject is sometimes exaggerated, and the pattern of fear mongering is usually one of repetition, in order to continuously reinforce the intended effects of this tactic, sometimes in the form of a vicious circle. Within about a million years, there will be nothing left of the rock but metallic dust on the white dwarf's surface.
The first hint that the white dwarf might be behaving badly came from the Kepler space telescope, which searches for extrasolar planets by looking for the light from a star to dim as planets transit, or pass in front.
Thata€™s because a white dwarf is a cosmic zombie, the corpse left behind after an aging, sun-like star swells into a red giant, sloughs off its outer layers, and collapses into a tiny, intensely hot ember.
But the astronomers needed to use several small Earth-based telescopes to figure out what those objects were. A white dwarf is so small that a nearby planet passing in front would blot it out completely, or nearly so. Some of these stars, for instance, show evidence of relatively heavy elements in their atmospheres, including magnesium, silicon, and aluminum. In our own solar system, dust is continuously created when asteroids smash into each other. Gli scienziati sospettano che questo comportamento convulso possa essere originato dal veleno depositato nel corpo dell'insetto appena la larva emerge e comincia a costruire il suo involucro. Sponges dotted the nooks and crannies of the reef and anemones clung to the open reef their tentacles dancing back and forth with the waves.


As well as sharing their body tissues with algae, these anemones share their tentacles with anemonefish (e.g.
The anemones faded into a colorless existence, their ghostly tentacles waving in the current while the brilliantly colored anemonefish stuck with their ailing partner. Anemonefish living with them will similarly endure the bleaching, but produce fewer eggs the following year.  As we face more bleaching this year, and the promise of more in the future if our ocean temperatures keep rising, we know that it is not only the corals that suffer during rising ocean temperatures. To learn firsthand what's going on in and around this marine treasure of global importance, the National Geographic Society sent its top scientists and officials to the region in January 2016. If you're an author and want to write an article for Zombie Guide Magazine, shoot us a message! We appreciate it that you take the time to read our site, and have come this far in preparing yourself for the apocalypse. National Geographic fait partie de mon univers depuis que je suis tout petit, puisque mes parents y etaient abonnes », commente-t-il par courriel depuis Hawaii, ou il est en deplacement. The Kepler mission focuses mostly on stars that are havena€™t gone through this catastrophic process, since life-friendly planets are most likely to be found orbiting them. The observations by Vanderburg and his colleagues, however, suggest that something different is happening with WD 1145+017. For stationary creatures of the reef, like corals and anemones, there is no escape from the rising temperature and excess light.  In response, they begin to transform.
The anemone provides the algae with carbon dioxide and other nutrients that they need to live, and in return the algae provide the anemone with oxygen and food like glycerol that the anemone needs. Without a host anemone most clown fish very quickly die on the reef, picked off by larger predatory fish. Bleaching diminishes the reef in ways that we are just beginning to understand reducing the overall health and sustainability of the entire ecosystem. They toured the desert islands off the southeastern coast of the Baja Peninsula and they listened to presentations by more than a dozen experts, including several whose Baja California research is funded by the Society. Le prestigieux mensuel est distribue dans tous les coins du monde et ses differentes editions comptent 40 millions de lecteurs. Even stranger, the dimming was inconsistenta€”greater during some transits and less during others. That these elements havena€™t disappeared yet means theya€™ve been replenished relatively recently. The dust in that system, the astronomers believe, is coming from one or more planetesimals, or asteroid-like objects, as they are ripped apart by the intense gravitational field of the white dwarf, streaming a tail of dust behind them as they disintegrate. But this happy co-existence breaks down when the surrounding water gets too hot or when the anemones get exposed to too much light. Sea anemones thrive in warm tropical waters on shallow reefs, home to hundreds of species of fish, some of which would quite like to eat a tasty chunk of anemone. An apocalyptic scenario will ensue where only those who have taken the vaccine will be deemed safe enough to interact in society this vaccine will be accompanied by a mark. Le chercheur montrealais a eu la surprise de voir la une du magazine a des dizaines d'exemplaires dans un kiosque a journaux de Los Angeles la semaine derniere. Ita€™s the relatively large tail, not the tiny planetesimal, thata€™s causing the stara€™s light to dim. And it explains how those heavy elements, which are plentiful in rocky planetesimals, get into the atmosphere of a white dwarf. Then the algae are expelled, or leave on their own, and the anemones become colorless and bleached white. Studies have shown that the clownfish may protect the anemone against predatory bites from butterflyfish. And, they can help the anemone in other ways like keeping it clean by removing debris or their waste may even supply some nutrients to the anemone.
Studies also suggest that hosting a clownfish allowed certain anemones to evolve a larger diameter, which in turn created a large surface area for the algae to receive more light.



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