parisian becomes the scene of a horrible tragedy. arab terrors, armed with sub machine guns, went to the headquarters of the israeli team, and immediately killed one man. and that this will be the last one was one of our worst fears realized tonight. they're all gone out. i witnesses experienced the terrible events at this. the world should not forget the low shuttle. the $972.00 olympic massacre starts september 3rd on d. w. how high is the likelihood of catching cove it on a train? a research team investigates with the help of artificial folk afraid of flying. you can reduce that subconscious fear with the help of hypnosis. hypnosis is used to treat physical and psychological symptoms. but what exactly

does it do to the brain? i welcome to to morrow to day dw science program. oh, concentrate on the pendulum. your eyes are getting heavy and you're in a tron that's that's how many people imagine hypnosis. but the truth is far from that simple. in clinical hypnosis, at least it's sometimes even used instead of anesthesia. as in the case of this violinist, she had a brain tumor removed on the hypnosis. but what exactly happens to the brain when hypnotized? that's what research is in switzerland. a trying to find out what happens in the brain during hypnosis does anything happen?

you're a scientist to hoping to gain access from a project called hip. no science with the help of m r i machines. mm hm. okay. me. okay. can you hear me? okay. okay, open your eyes on close them again. and you're a scientist and hypnotherapist, philip stem, flea guides the test subject into trance once he's reached the state known as somnambulist and shamefully asked him to lift his finger, lost signin lawson for glosson fuzzies for them. play a little natasha so far. the sea dog. it seems like the subjects are in a very deep, very relaxed, detached stage. but this is a close to 2 of them. it seems like the deeper they go machine, the less important that is to them, to react to alcohol football. today he had me though i left for you know, for longer the research, just wait for a sign that the subject has reached a trance state, then they start taking data. they also analyze an even deeper trance state,

called as dale, one participant tells us how he experienced the different stages. fiesta thought ish. see it though finch bol nick. the 1st stage was a very deep relaxation. though i thought i still kind of felt like i was there to them, i guess you'd say fish to furnished in to mr thing as opposed to the 2nd stage, most moody, where it was really hard to lift my finger also to you inside the movement was really hard work sitting and tim duyka in but in his 1st age it was still okay. hold on yahoo song is another of the projects, 50 participants. she especially enjoys the as dial sage. the very deep trance state benched in some teeth and switched on when i was in a really deep states, a jellyfish came to me, for example, floating in a blob of water. when it, it's fine. it's not surprising. it's all ok. you can drift off into a fantasyland and uplift and in a fantasy varied sign. that is not one of the difference. and i notice it very

clearly. it's a lot of fun by the moment when it's over and i come back out, i always wish i could have stayed a little longer. you the researchers have discovered some very interesting patterns from the brain scans. a major success for hypnosis research. even the team is surprised therapy i left a voice come with my brain, didn't think wouldn't say any comfort on, but i said, i don't think we'd see a change in the brain during hypnosis doesn't solvable for we have such amazing, you know, solid resulted thousands of it's one of the most fascinating results in my 25 years as a neuro scientist. but on this, i never would have expected that all of this data that the scientists have collected could prove that there are indeed different states of trauma. it's my mother to persona is summoned to us when people are in

a neutral state on that there's a huge amount of activity in the bucket of grain o for buckeye visual stimuli, no matter what thought on many process back there did. for example, if there's a car coming on you tried to judge, you can make it across the street and out the court some object. so can you leverage to also the note? doesn't these phenomena are processed at the back of the brain in north, during hypnosis as it's something that different happens upward by the 2nd. oh, what that is exactly. it, it, we're not sure yet. at 334, we need more research and more studies before we can answer these questions in more detail in the huddled bottom show life is that it really is worth investing more in have noticed research watching for that and also them city, mission viejo. as part of the hip no science project, the researchers have also studied what happens neuro chemically and a hypnotized brain. and whether or not brain waves are effected. there still are lots of data to analyze that research to say the results are promising

people with a fear of flying don't really can that statistically, airplanes are one of the safest means of transportation. the average accident rate is just 2 in $1000000.00 flights. nevertheless, fear of flying is real. it's a question of mind over matter is easy to say. but under hypnosis, that's exactly what might help you get your fear on the control psychology student rebecca of in sick has a fear of flying. the 30 year olds, anxiety is linked to a very specific experience then let the mazda miata, alas i my flu is in 2013 actually flu, twice that year. and on the 1st flight to had a person with me who was afraid of flying. and she was already scared on the outbound flight, and she also expressed it full of she was shaking a lot, looking around frantically on the return flight. i was suddenly afraid to one which

i thought was crazy. afterward, there was no reason to be happy. there wasn't any turbulence, neither on the outbound flight nor on the return fly off the floor. and in the same year, half a year later, i flew again and even a week prior to the flight to fly. i notice how i constantly had worst case scenarios playing in my head. scenes of his crashing matter as a definitive asper magnifiers, though she hadn't flown in years and had to cancel vacations with friends. as a result. she wants to change that to day in a single hypnosis session with barbara schmidt. for many years, she has been conducting research on hypnosis at the university hospital and jena. hypnosis would be especially suited to overcome fear. she says, even of some people find it difficult to let themselves go, does longer than listen, this is not about giving up. control is about regaining control. right now you

don't have any control over your fears or other automatic responses that you want to get rid of fight. i'm going to show you a way to regain control. yes. and that's by using resources that within yourself with the source of the in what better control could you have than that. so then then it starts barbara schmidt uses a special hypnosis technique that supposed to give rebecca control over her anxiety under hypnosis she supposed to imagine that she's sitting in her favorite movie theater. and in this cinema, she watches herself board the plane on the screen. and then more than one la loca, anything is possible in wonderland life, that he can sit there and go into the protection. these are the same time when you wash your company, have absolute control. after the, after all, to compile, you see all the button here. they can actually play, stop, or pause holder. and also to rewind bertrand warren caster. alice. everything is in

front of you and have it. let me know when you're there. what's anti? hey, good. then what rebecca fears most happens on the movie screen, the plane with her inside begins to crash and as a fair up thought, woman, that's the obsolete moment of sheer for off. at that moment you press stop in the projection booth dinner, but the image stops. and we go into the auditorium again, completely relaxed a little while. so of all you said they completely say far guns and the head and you just watch this freeze rainbow you go right in again leafy heine on dana i and then suddenly look the pictures we wind leak your feelings, rewind and you're right back to where you started little anger, hung hath the and flung of our one will be the beginning was where you was so joyful and yet can and now you can make your own movie the movie the way you wanted

to be there, fan me to an hour later. how was it for her? i was good. yeah. yeah. it was for shall i watching my so fly. i was good. that worked really well. yeah, good. yeah. oh oh, few can be overwhelming. haven't. you can easily feel at its mercy when hand in hand can number of that. so that's not rational, but it's then on the left. and you can get that through just your imagination. boston ca be can also use your imagination to make it different again on the market, is if you get the power back of your own imagination and what is played in your own movie theater, to how we can choose between the horror movie and what are the beautiful miss rebecca wants to find out. she'll be flying in a small cessna at a nearby airfield. ass. she's determined and boards the small plane, which is quite ground. arthur, the kid,

still comfortable. group decor realizes they're about to take off. no man. but it's not a hint of panic every day. okay. okay. good. after 20 minutes in the air, the short experiment is over. you proud of yourself. after just one hypnosis session, rebecca was able to fly for the 1st time in 9 years without any problems. i didn't

think you'd managed that today. no, i didn't especially know that well, so yeah. i'm fine big it's good and baba schmidt is in the process of scientifically proving that in addition to the fear of fly sicknesses can be used to treat testings ivy and other phobias too. oh, traveling can put a strain on the body to do you get nauseous while on the road? if so, then you're part of the majority who is susceptible to motions, thickness for kenneth ptosis. a growing number of people also suffer from what's called cyber thickness. 3 d video games make the brain believe something that the body isn't experiencing. oscar o from mexico wanted to know more why to some people get travel sick? it's question of balance. with some

people can be on the move without any issues, others can do even the most dizzying acrobatics, twirling around rapidly without losing that balance or the spatial orientation. but of only possible when 3 of our bodily systems work together in perfect saying to keep our balance. one important source of information for our brains is our eyes . they help us to situate the body in the space around us. a brain orient itself along horizontal and vertical axis, such as the horizon and trees. the balance organ in the in air detects all of the heads rotational movements. it can also perceive movements with them the space around us. the brain then synthesizes this information into a meaningful 3 dimensional image. it also collects other signals from the

muscles, tendons, joints, and skin. if all 3 systems provide the same information, everything is okay. when we fly, the brain receives conflicting information, the eyes and the signal repose, while our sense of balance signals motion. the same happens when we travel by train . many people suffer when driving and traffic jams, because their eyes don't perceive the stop and go while the other systems report movement. boat trips can be a particular challenge. even people who have no problems on plains and trains come get sick on boats. the rocking floor and the wavering horizon. deliver sensory impressions. so different from what we're used to, that they confused money, people's brains. it switches to a lombard triggering nausea. ah,

don't skin get travel sick too. and even fish aren't immune to it. if they're transported in a swaying container, they can also get seasick. ah, if our blood is red, why are they gonna leave you a? do you have a science question? send it to us as a video, text or voice message. if we answer it on the air, we'll send you a little surprise as a thank key. you can find us and other science related stories on the web and on twitter. when travelling by bus or train, it's not just the routes you're sharing with other passengers. it's also the

aerosols in the air you breathe. an aerosol is a mixture of air and small particles which might be of the solid variety, such as foot or liquid droplets. larger particles sink faster, of course, one meter in just davis, 6 minutes. smaller particles for the diameter if say 0 point one micro meters take over 300 hours for the same distance. the corona virus can be transported on particles, $1000.00 times smaller than a half. but how exactly to aerosols? spreads laser beams make them visible, that dangerous aerosols, tiny suspended particles in the air. we breathe. the virus transporters researched in a special laboratory. a trained compartment public

transport poses one of the greatest risks of infection. whether on trains or plains. here we come into close contact with strangers often for hours at a time. and aerosols are everywhere in these enclosed spaces. they all follow. the challenge is finding out how the aerosol spread and aircraft cabins under railcars multiplied. we assume that new beginning with a potentially infected person, put in sandy aerosols are exiled and introduced into the space put in your home and then the ventilation system distributes them in the immediate environment and in the carbon of a type o. in the train compartments him getting in dance, stand in for passengers. they're equipped with measurement sensors. artificial saliva makes up the

aerosols. the questions are just how effective are masks really and what role does ventilation play? ah, lights out for the 1st test. so how effective are masks oh, the dolls exhaled their artificial saliva. aerosols, with and without masks. ah, the results without a mask, there is unsurprisingly agree to risk, especially at the communal table, where one person's breath almost reaches the person on the other side of the table . ah, it's even more dangerous while speaking. oh. but

even if, as my daughter goes a, transported further with the under a more particles than someone would admit when just breathing normally would have that. so when people are speaking, more particulars are emitted, he's all up and they're also conveyed a little further into the passenger compartment. it's very different with the mask. the airborne particles hardly fly forward, but upward instead. thank you for it means the risk of transmitting the aerosol particles to a passenger opposite you is extremely low and it on the airflow i carry those particles away. more effectively especially bad is coughing without a mask monday dead. or you can see very clearly when someone coughs it, the particles travel more than half the distance to the seats are at the opposite. g to the speed of the outflow. like if i type that, then they're further dispersed by the ventilation system. that's why the person opposite gets a very large amount of particles. if someone coughed without wearing a mask,

it's the passengers sit one behind the other. the high seat backs help. however, the danger is not completely eliminated. of india, that barrier does stop the direct transmission of particles that the large amount of particles released through coping without a mosque is still that model can potentially infect other passengers. a ah, next test ventilation passengers play a major role here because they radiate heat. the thermal energy of the passengers can be seen with a heat detecting camera. body heat causes air and with it ourselves to rise around to passengers. passengers create an up draft with consequences. in today's

trains, air is blown in from above. much better than no ventilation at all. a large part of the air sinks to the floor where it's extracted a good thing. but air also flows sideways to the passengers and is carried back upward by bodied creating so called rotation spools. the air and thus the hour saws then make extra rounds and remain in the room for a long time. but it doesn't matter that one of the points we want to explore with our reset, why to further shorten the directional exposure. and then also the dispersion distances of the aerosol has spoken. the idea sounds simple, ventilation systems should not move air from top to bottom. but the other way around in the future when the air is blown in, it forms a reservoir on the floor and then rises. the air rises

straight upwards. body heat accelerates the movement of air and acts like an elevator. the air is extracted through the ceiling and the risk of infection is lower. ah, ah, ah, scientist also studying the dispersal of our souls inside an aircraft. how do aerosols, and with them viruses spread here? the measurements show that the load and spread of aerosols is similar to that on a train, but there are 2 differences. does i know is does in that one is not in the aircraft come in. the air velocities are a little higher, gung, but i didn't get so you have a slightly stronger downdraft in the i'll area. it was in the aerosol as

a transported a little less to the other side of the oil. is lot us enough in addition, the aircraft come in house, fine particle filters 50. so no aerosols, a tall can be distributed by the circulating air. so the thought anybody in rail carriage has these filters are not installed in between fat soil, but our measurements have shown that aerosols are largely not dispersed by the air conditioning system and trains either naugatuck from that conclusion. wearing a mask is the most important protection. and ventilation already helps a lot. perhaps even more so in the future. as, as p t masks can filter at least 94 percent of all virus particles out of the air. we breathe. the corona virus pandemic, so them become an integral part of our daily lives due to their protective. the fact that mosque is, can also be a bit bothersome, especially after wearing them for hours on end indoors with no ventilation. a number of people have complained about getting headaches or fatigue to help mask

wearers avoid these issues. a multi disciplinary research team made up of engineers and chemical scientists from the university of granada has developed an intelligent mask that alerts wears on their smartphones. when recommended c o 2 limits are exceeded with lena for the dental, he think they're going to the intelligent mass has a sensor, meaning a way to measure something in the air between your face and the mask. twitter introduce gotta la guardia. and so the c o 2 sensor is equipped with the electronics that will measure the color change in the sensor, but, and transmit that information to a smartphone, and the sin shall equal her to put on me delinquent, moth, you know, de la fontose marie. so a standard f, f, p to mask can be turned into an intelligent mask that monitors gas concentration by placing a special electronic sticker inside the mask. let me get that getting blue is occur inserted inside the mask is a system that consists of 2 parts. on one side there's what's called readout

electronics, which is printed with conductive ink on a flexible, plastic and transparent substrate to receive. as you can see, i think with the apartment they almost have whatever he bought on the other side is the chemical part of the sensor that changes its color. we mean, depending on the c o 2 concentration corners are gone into the young video pseudo. they got one to notify users if they've reached the recommended c o 2 limits inside the mask. the research team has designed a special mobile app a new swati or cuppa. the user has a mobile app to read the carbon dioxide concentration. if one of moby continental okay within a c technology is the same technology used for wireless, claimant's implement users would simply have to hold their smartphone close to the mask. he automatic. i mean, it automatically detects the sticker is half it and reads the seal to concentration . inside the mask and enter the software alerts users to a traffic light, display red or green. if they need to ventilate and on on

a per study rented at buffer. although mask mandates have been lifted in many countries, many workers are still required to wear them. so that researchers believe there is a demand. the team is willing to transfer the technology to any industry that may be interested in it. ah, that's it from tomorrow to day d. w science program. doing this next week until then stay curious. ah, ah ah .

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forever. my jillions journey around the world. start september 7th on d. w. a . this is, do you have the news line from berlin? an unsealed legal document shed some light on why u. s. federal agents rated donald from florida home earlier this month. they suspects highly classified information was in securely kept on trumps property, which could post security risks for the united states. also coming up right.