The service of medical science. In the past this would have been impossible for dick he is afraid of heights. But in a Virtual Reality environment he slowly learned to venture out onto the bridge and this be off there are people vertica sufferers was developed at the university of oxford uses face various challenges like rescuing a cats the treatment seems to work. That sure reality can have more serious applications to. Deep sea experience which doesnt even involve guessing wests. Ritual reality has taken the Entertainment Industry by storm they sent turn has helped drive rapid Technological Advancement once you puff on a headset it seems not even the skys the limit. I can see the Sugarloaf Mountain in rio even if i cant afford to go there in real life or if i am scared to visit certain parts of the world because ill never get to the moon in real life and thats the great thing about Virtual Reality you can go anywhere you like. But its not just for fun and games as important uses in medicine to. Computer scientists Stephanie Speidel from Germanys National center for diseases develops intelligent assistant systems for surgery. Technology enable surgeons like yoga invites to better plan their operations such as removing from a liver. Our biggest problem concerns the precise planning of the operation knowing in advance exactly what will be doing anatomic quite knowing the connection the location of the tumor and the essential blood vessels and then theres also the question of how much of the normal liver to remove remember what remains of the organ has to be able to keep the patient alive take out too much and you put the patient at risk. The Software Developed by Stephanie Speidel is designed to help minimize these worth by enabling surgeons to plan their operations more effectively. With the help of the surgeon can study it details three d. Model of the liver hell be operating on. You can see clearly that the liver is full of blood vessels the patients tumour and yellow here is very central this is the blood vessel that needs to be saved as you can see its a case of millimeters heres the tumor and then you have two millimeters of space. Is a huge advantage. Its. Alongside the image of the liver the surgeon also has the other Important Information related to the patient like their case history. And this means you pretty much have a virtual. You can move around in the room and access different information based on what youre perceiving. Defect so. These kinds of systems are still in their test phase and the future stephanie spider would like to incorporate rooms into real operating theaters she hopes that by using intelligent Navigation Systems surgeons will be able to conduct safer less risky operations. To do so they need to wear a no commented reality headset. Business. With the augmented reality headset you can see your environment. But at the same time you can see information about the tumors position the vascular tree on the organs and you can literally look inside it. All in real time to stereo cameras ensure that the virtual liver is totally in sync with the real one the position of the patient the surgeon and the instruments are constantly tracked. Given. The ideal scenario. Would be that wed get real time images of the blood vessels and the tumor while were looking at the area were operating on its own this was. That wed get a picture of the movements of the organ and our own so that we could correct them accordingly that would be the dream so to speak as. If maybe a while before that particular dream comes true a reliable system that could be used in real operating theaters its five to ten years away a reminder that Virtual Reality does still have some limitations both in science and entertainment. Sometimes you might still need to be cabled up or in the case of wife i can be the biggest handicap because you need a really Strong Network so at the moment theres little chance youll get totally lost in the world of Virtual Reality. Endeavor to bed. But proponents say its only a matter of time before diving into the world of Virtual Reality becomes part of daily life. We asked you on facebook what would you like to troy or experienced in a virtual world. Would like to go subatomic and see what the quantum realm looks like. David jasper i would use vi to explore the moon piece particularly interested in the moon surface. Research of berkeley beer carnegie is more of a romantic and imagines being transported into a supreme girl full of sweet memories like being in the midst of a full romance and writes wow how i would love it to be real. Sucky i would love to explore our infinite so this system. And erasmo cresco would take the opportunity to make one of mans dreams come true the dream of his life. On him tottenham every. Day if you can see president bush on. The net. There are some eighty five Million People who started in the world a german doctor has developed software to help them help themselves. You know you can overcome these blocks which can lead to peoples faces becoming contorted etc by learning to shift your voice to a softer register and thats the basic principle here. Lets compare. Only. The Software Functions in different languages. Can. Speech recognition thats at the heart of the Web Based Software speech again. Its based on Artificial Intelligence and isnt language specific. It works in english or german russian. One student gave this online therapy a trying. Twenty three year old Lucas Cameron is practicing speaking slowly and fluently with his speech again program. Today the developer of the online therapy for stutterers is helping him. And thats us. Lets move on to the sentences. Are stammering is a speech disorder that may involve abnormal coordination between the brains to hemispheres the doctor has himself started since childhood the couple i mean as im sticking i had to swallow a lot in school and during my training. I experienced so many defeats and humiliations that at some point it kind of turned around and i said to myself ok ill show you all and so far i think ive succeeded quite well with. Lucas is doing well with the online therapy he enjoys life he studies business to sports and listens to music. After a certain point stuttering is just part of your personality. I always seek out activities that make me happy. And he has no problems at all singing some studies suggest it engraved using a different part of the brain. But. Whether its a bird or. Viruses can be deadly. But the pesky pathogens cant reproduce by themselves to replicate they need to attach to a host cell. Once theyve broken in they stop replicating their genome. Now scientists have come up with a way of forcing that very process. More than half the human population is infected with the human cytomegalovirus or h c m v its a form of herpes virus. When individuals immune system is working well in folds h. C. M. Via pay by stopping the virus from replicating but if someone is immunocompromised the virus can get very nasty and dean its a significant risk factor in bone Marrow Transplants in particular. Hell go to salmon sheriff and hold it similar mine have developed a drug for bone Marrow Transplant patients that chills h c m v. We didnt pay much attention to what other drugs come to them become we took an entirely new approach and thats why were the only ones to have succeeded. And theyve succeeded in a big way the other drugs work by stopping the virus from replicating its d. N. A. The trouble is that they dont differentiate and hence they also interfere in the replication of d. N. A. Because the mechanism is the same. People whove had a bone Marrow Transplant dont have a functioning. Back. Until the marrow has been replicated. The virus from replicating. A relatively rare hence the need for a new approach. It was important. Because we wanted to develop a prophylactic treatment that was nothing like that on the market. The new drug the replication of the virus. And with terrible side effects. Prophylactic that is before the virus has had the opportunity to replicate. Of course the process of developing the complex. But it proved very fruitful. Our goal to develop a drug. That specifically targets and kills the virus. In the body fast generating strands. Of d. N. A. In an outer protein. That is the work of. The term complex. The new. Function. Human cells dont have these particular kind of being proteins. Meaning the drug has nothing to zero in on apart from its intended target. Vanished so quickly when i look back i must say the most exciting time in my entire professional life was when i set up and expanded the firm and we started conducting clinical tests on humans leave. The scientists believe the drug has huge potential in organ as well as bone Marrow Transplants. For the two researchers theres clearly a whole lot more to discover their work has already received recognition. This past november they were awarded the two thousand and eighteen german future prize. And even by i did have a president that. New Yorks Broadway presents girl made a living for insects burgers pits is straight from the pavement delicious one study showed that in just one kid insects feasted on the remains of sixty thousand hot dogs between broadway and west st it might sound disgusting to us but for insects its a free for all. Ten from ghana wanted to find out more. Why are flies attracted to the smell of ross and decay theyre very annoying and they transmit disease but not every fly is the same. There are many species of flies all of which are of different topics and preferences for example when it comes to where they feed flies like foul smells which makes them good recyclers of waste but only a few species are attracted to feces or other rossing material. Take fruit flies for example they prefer acidic foods such as fruits they dont just eaters they also mate and lay their eggs there as scientists discovered a few years ago. No flies love the smell of ross they can smell meat from a kilometer away but for them its the Perfect Place to lay their eggs the larvae then consume the meese. Plants take advantage of the titan our own is known as the corpse flower for the stink it uses to attract the flies and other insects pollination. We humans are also looking for ways to make use of this pawnshop for fowl smells soldier fly larvae can demolish a cooked trash within just six hours and an unconscious one within a. Researchers are looking for ways to use this flight to protest bio waste. The problem is red white are great but if you. Do you have a science question that youve always wanted answered it were happy to help out and send it to us as a video text ovoid smell if we answer it on the show well send you a little surprise as a thank you card just ask if. You can find us online at d w dot com slash science or check us out on twitter and facebook to. Returning to the subject of insects these can detect the earths Magnetic Field as can migrate treat birds. And sea turtles too they have a kind of sixth sense especially for the purpose. Some animals can detect Magnetic Fields just like a compass can but the earths Magnetic Field. Isnt always stable. Your cell phones dead theres no t. V. Or radio reception and the internet is down transformers blow electricity supplies break down its lights out everywhere on earth as a violent solar storm threatens the planet it might sound like the plot of a hollywood blockbuster but some say such a thing could actually happen. To. Us all communication and our supplies on the ground really can be interrupted by solar storms they can reach the earth at any time and if a geomagnetic storm hits us the effects can be more widespread than you might think as modest release think. Were accompanying juergen mats from the adult schmidt observatory for geo magnetism in email to his work place it lies deep in a forest far from any Industrial Centers or urban hubs the remote location where theres less radiation in the air helps the scientists get more accurate results today theyre measuring the earths Magnetic Field they say readings of this kind are crucial. The earths Magnetic Field is important for us because its our planets most important shield along with yours atmosphere it offers protection from cosmic rays and solar storms which can send electrically charged particles towards earth that can cause considerable disruption. Normally the earths Magnetic Field surrounds our planet like a protective sheath extending about sixty thousand kilometers out into space the earths magnetic poles currently correspond roughly to its geographic poles. The Magnetic Field is created by the rotation of the earth and the continual flow of liquid metal in the planets in a core it works like a dynamo that turns nonce. And keeps the protective magnetic shield intact. When electrically charged particles from solar storms interact with gases in the earths atmosphere they result in displays like the famous northern and southern lights. Globally there are some one hundred fifty magnetic observatories they record any changes in the Magnetic Field and share the data that they collect. Scientists like you can metzger have detected changes they considered concerning the magnetic poles are changing position two hundred years ago the Magnetic North pole was situated in Canadas Arctic north now its moving in the direction of siberia at a rate of fifty kilometers a year and rising. But the Magnetic Field is not just shifting its becoming weaker too this is thought to be caused by changes to the motion of swirling iron in the earths outer core this example shows two streams becoming one near the earths surface. Or one might start to flow more quickly than the other sending the Magnetic Field off kilter and leading to a decrease in strength over time as a result more particles from some storms could breach the earths magnetic shield and create large scale destruction of near electors could have more electrically charged particles penetrate the earths Magnetic Field and the faster they are the greater the magnetic shock that they trigger and its this magnetic shock that causes all this havoc on the earths surface. In sweden for example a solid storm caused short circuiting leading to Power Outages for several hours. It also knocked out air Traffic Control systems meaning the countrys airspace had to be temporarily closed. Solar flares have also disrupted numerous satellites. The weakening of the earths Magnetic Field is not so noticeable at the poles its felt more elsewhere. We are seeing too much limbs we can see a strong anomaly in the Magnetic Field in the south atlantic for example here in red from south africa to south america its a relatively recent phenomenon but over the last one hundred years the Magnetic Field there has waned to five thirty percent and if that continues for another hundred years it could disappear there altogether its impossible to predict the consequences does come on. A substantial and consistent weakening of the earths Magnetic Field would leave the planet more vulnerable to radiation which over time could increase the risk of cancer. Its already affecting the international space. Station when the crew of the i assess flies over the socalled south atlantic anomaly with the earths Magnetic Fields especially weak theyre exposed to far greater quantities of radiation than they are in other areas. The experts from the German Research center for geosciences are following up on a hunch that could have even more serious implications here in potsdam the researchers are evaluating the latest data they believe it shows that the earths magnetic poles could one day reverse. This means that the magnetic south a north pole would switch places that process could further weaken the Magnetic Field leaving us more vulnerable to the effects of solid storms. To test these theories the scientists in parts combining their mathematical models with data from rock samples that are millions of years old. Using bagnet measurements the researches can detect when and how often such poll reversals have taken place up to now. They have discovered that they have taken place repeatedly Magnetic North and south poles have flipped at regular intervals and then flipped back again. Over the last several million years there was a polar reversal about every five hundred thousand years or so the last was about seven hundred fifty thousand years ago so were a bit overdue in that respect the weakening of the dipole or order is indicated by the rapid pace at which the north pole is shifting and the anomalies in the Magnetic Field they could indicate geomagnetic reversal and the latest Data Collected as part of the European Space agencys swarm project appears to back up. These findings some scientists believe the consequences could be serious such processes happen very gradual