ah, feel the magic discover the world around you. subscribe to the w documentary on youtube. we perceive our environment with our senses, but which sense we rely on most various studies show that culture and habitat implements which of our senses is most important. for people in the english speaking world, it site in iran, people rely heavily on their sense of taste. and in mali, touch is considered by some, as the most essential sense. surprising facts and theories about the 5 senses

coming up on in good shape. with shana and tim are a couple and one reason they're attracted to one another is that they like each other smell. the scent of a partner can trigger heavy hormones. this is how it works. at the back of our nose is a patch of skin called the all factory apathy, helium, where there were tens of millions of receptor neurons. older molecules bind to these recept yourselves with are converted into electrical pulses that are transported by our nerve fibers to the olfactory bulb in the brain. from there, they traveled to various brain regions, including those responsible for memories and feelings. ah,

it explains the attraction between tim their noses might have the same sensory system. but hannah has a more key sense of smell. oh women seem to be more sensitive to smell than men, and have more odor revoked memories. her sense of smell health, anna, to find a good partner to reproduce with hulu. oh anna can even sneak out when tim is afraid. oh, he sweats more when he's ragged and few sweat has a specific chemical composition. this activates areas of the brain involved in empathy. the reaction can also warn of potential dangers. women are less likely to be attracted to the smell of a male experiencing fear on may. and a sense of smell is heightened during pregnancy,

most probably due to the changing hormone levels. this is thought to be one of the bodies protective measures. the embryo has to be protected against toxic substances . anna needs to recognise if certain ruin stuffs could harm her baby, her rotten meat, eggs and fruit give off war odor molecules. my men can also identify the smells, but by and large, their sense of smell is not as sharp as women's. tim is an exception. he's a somalia, so he has an especially sensitive nose as a child, he couldn't stand the smell of red wine. now he loves its bouquet of various aromas . his brain associates it with pleasure, whether we love or lose a particular smell,

depends on what the associated with anna. and tim wouldn't like to train their noses so as to enhance their experience of the world around them. this involves describing a specific smell in detail and associating it with a particular emotion. it's one way of guarding against the loss of smell as they get older. ah, we don't just have old factory cells in our noses. we also have smell receptors in our skin, and even in our gut, they respond to the odor molecules of food and optimize the digestion process. amazingly, babies in the womb can already perceive their mother smell preferences. and these have a lasting influence, emotionally, to, ah, can shrimp garlic, lavender or cheese cake,

improve your mood just by their smell the ship? no, no, a family is testing the hypothesis. first, they're off to the market to buy the ingredients for a shrimp and vegetable stir. frying it's a dish that they like to eat on vacation. they spend their holidays in portugal where daniel has a serv school. so does the scent of cilantro, ginger, garlic and orange, get them into a summer mood. but 1st, utah makes a cheese cake the way her mother used to do it ah, and childish funds. i'm curious how i'll react because i haven't baked it very often. even though it reminds me most of my childhood. i wonder if it'll affect me or not fund assessment my muffled. i mean, we want to find out more about the link between smells and feelings. so we're going to ask an expert. i know he just got young. he does one. every situation we live 3

is stored a long way, the smell that we experience at the same time, then his then that's an association that will always have it. he says he thought we lived experience as it were court and then that triggers a positive mood. not minds and leave. what bask lewis, don't you supposedly christian more gaudy? ah, and it's amazing how quickly these associations are formed. as daniel notices, when he saw in would in the garden with his son. is it a thought? they both agree? it smells like the home improvement store. oh, you know, when i was a child, i used to love woodworking me too. i was a mother. i tried to build all sorts of things. so it's a really classic child would memory, less of the smell of freshly song would with the whole exact holes the wish. his son uvie has clearly inherited his love of would work. meanwhile, in the kitchen, the cake as ready here. aromas of a different kind are working their magic. our brains react very attentively to

smells, link to food, registering every little detail and relevant if it's a little bit burnt on top, it smells particularly tasty, but i think it's the vanilla filling that makes it so fragrance. her yagi vanilla is i'm before that. vanilla is a special smell y'all. i think we have a special relationship to it is probably because substances came out of the miller a contained in mother's milk. the article woman opened them with the news to finish it. and that's why we often associate vanilla with the feeling of being a late in the cozy. because we associated with being breastfed mid to being nurse at an interest in young research has established various links between smell and mental benefits. lavender is relaxing, orange, uplifting rosemary, energizing vanilla harmonizing and the smell of wood revitalizing uta and daniel are now going to see what effect their favorite meal has on their

frame of mind. can it put them in a good mood and haven't, i've got a smile on my face. i feel good. would they go right? by me? it's new smell alone doesn't trigger a sense of happiness in me lose so that the super hollywood, florida also, i think i also need the ambience all the surroundings on dallas, wasp, a woman. so how can you go about identifying the sense that perk you up? i switched credit most really you can think about which is now you personally associate with relaxation. com. she why the viva? all concentration who all of next? i'm car dealership. i also work because there's already a psychological association between the smell and the fact that it's probably going to have dubuque, one year of misery. the child is the therapeutic powers of aroma therapy has long been recognized. smells can also have

a positive influence on our mood and day to day life. another sense that contributes to mar wellbeing and development is touch. tactile learning is essential for cognitive development and babies. researchers have established that regular gentle touch can help boost brain development in premature babies. and however much we take it for granted, our sense of touch means all important as we age as well. a simple handshake says a lot about us. it can be friendly, commanding, consoling, or warm hearted. this touching little gesture actually makes a big impression. deb cuppa contact the physical contact her into the impression it has and our intelligence skin fulfils of basic

need and humans and animals in this country stage. it's very important for our prenatal development in seattle and for our emotional well being of us for our sense of self and our body image that was without touch. our bodies and souls grow ill when or not. but we will build in via conch, unlike when say that our bodies react intuitively to every form of touch. if it's gentle and loving, we relax and our fears subside. touch even strengthens our immune system. in a way, touch is our most intimate sense. but we'll get a job to how a touch happens via the skin is it's our oldest and largest sensory, oregon, and social communication, oregon salts yard. we can't turn off our sense of touch your colonel. we can close our eyes and not to see anything under the olden convent for cover our yours and not hear any things who either. but our sense of touch is always with us any harm

in emma 702800 1000000 receptors. and as many as a 1000000000 free nerve endings can be found in our skin. the macro cells mainly register pressure. whereas the tactile corpuscles, the mice news corps, puzzles respond to vibrations. free nerve endings are largely responsible for sensing temperature and pain. touch can also have a direct effect on our behavior. a gentle touch often makes it easier to settle a dispute with some one dimension visits. i got humans a very special system now from fos, a network of nerve fibers on the hair, the skin, the ha, how it, whose sole purpose that is to convey the sense of well being 2nd to pick. it doesn't really temperature foods pressure pain. that more vibration to the brain,

which mouth sick rather well being alone, my dog alighted. some gums on and see even a quick touch can trigger and very positive feelings. con, got positive of food house was so positive that as studies show a waitress who briefly touches her guests will receive up to 30 percent more in tips. touch influences, our sensitivity to ping to a hand is plunged into freezing cold water until cold pain ensues. that takes about 30 seconds on average, yet if the person's other hand is being held by their partner, it takes much longer. so what happens if we aren't touched enough? a skip feeder story and it's there are lots of studies which show that in both

humans and animals. a lack of touch leads to illness or even death toward fruit. one of the oldest forms of therapeutic touch is certainly instinctive reaction to stroke part of the body. that's in pain. this led to the development of medical massages. gabriella, marya keep guess worked with professor mila earling housing, to develop a psychoactive massage. designed to sooth, body and soul. it can even help alleviate depression escaped to for she and there are studies on different psychoactive. massages her as well as crossable massages which show that they induce deep relaxation. mo, anti with stress reduction of milk and anti depressive effects. upper levels of stress hormones in the blood sink, while levels of the bonding hormone oxy. towson rise in the special network of

nerve fibers that conveys a sense of well being is activated as we'll go through committed. this kind of massage can also bring peace and comfort to healthy people, to the amos, to help them get better in tune with their bodies. every form of touch gets under people's skin. we can even detect and recognize things with our feet. that's because the souls of the feet and the toes are covered with lots of receptors. we couldn't stand or walk without them. this experiment shows that we can even use our feet to see. in phys, has something hardship tally. i think i know i mercy, shall e hm. and we all unconsciously touch ourselves during the course of the day,

our face around $400.00 times alone. caesar said still, we want to self direct away men environment being, which we also call nervous gestures d hm. as many different meanings does, i know one is to assure ourselves of our own physical existence, existence, ferguson. that's another is that it's a means to reduce stress. however, self touch alone isn't enough to make us happy. and unfortunately touched, it was becoming increasingly rare in our society. we often hold our cellphones more frequently than our partners if us macro dish um some folks might find cuddle parties to be strange. and she only quit places where a complete strangers touch one another from, according to pre set rule, especially reagan. but for many people singles, for instance, about it's an experience that's more than skin deep kinda sadness. oh and statistic

show couples who regularly touch one another, stay together longer artists tend to have more of an eye for the subtleties of color than others. while musicians can detect nuances and found, and radiologist can deduce crucial changes in the body, simply by looking at black and white images. these sent 3 superpower is, can be trained by exercising certain brain south and improving their function. and these hands are special. they can feel things that remain hidden to other people. pia hemmings hands, man, everything to her with less than 5 percent vision. she's almost blind. i, my name is an i task my hands and my every day help it so i need them to orient myself. if they allow me to do my work,

they can see for me and they can even save lives, saving lives, helping others in this berlin clinic for breast cancer prevention. pos, blindness is not a hindrance. on the contrary, her special gifts are appreciate and here she and other visually impaired women work with a team of doctors as tactile palpation examiners. pia can feel the smallest changes to tissue. her sense of touch is especially keen, as is the case with many blind people cry girls from because we've always had to work with our fingers and our sense of touch, much more consciously in our everyday life. we can train our sense of touch to focus on the smallest changes to breast tissue, and i know it doesn't bother us that we can't seem to have oh, can only see very little as there's actually nothing to see. i only need to feel often for lawson chron and her patients can definitely rely on her di phone have had gynecologist contests for areas this size in the clinics,

but we can find these smaller beat size lumps not point 4 centimeters down to the really small ones here and the tesla does, won't ruskin crank oh, dea has suffered from her impairment her entire life. over the years, her congenital glaucoma permanently damaged her optic nerves to stop her from going completely blind. she's had more than 30 operations starting at age 6. which device every my car, i remember what my hospital room looked like when i was a small child. what the bed looked like. i remember the pictures on the windows in the children's ward canutson visual tv, but i do remember in kindergarten, friends, oh, have the kinds of memories williams do? well, i'm not in the hospice all the time. i am so hungry, foolish can them on the mystery. and car hosking, it means a lot to fear that she's not housebound due to her impairment. staying at home is not an option. 9 years ago, people received

a new cornea and an artificial lens. the 34 year old is afraid of losing the 5 percent vision. she still has left, but she also knows she's come a long way. ah, i'm stuck with, i say i was, i was around 16 or 17 when i started asking myself why me over that there's no use in wondering why it is what it is. i just have to live with that one is more sites i got on that livin. i. instead, her goal is to keep looking forward every day over 55000000 people worldwide live with lim, last prosthetics play a vital role in rehabilitation. helping people manage everyday life and even outperform people who are non disabled in the paralympic long jump,

athletes with prosthetic legs, nearly rival olympic athletes. and now, smart prosthetic, that integrate a i are improving ability and comfort even further. and artificial hand that learns an intelligent and artificially intelligent ah, this is its teacher and its owner seemingly effortlessly, woods, gung, bower can perform movements with his prosthetic arm all based on artificial intelligence. it is opened up entirely new possibilities for him. it danger me credited? no, no, i no longer think about what i want to do with a presentation. it, it just works completely. automatically. the math ish buzz, gung bower is a farmer managing a farm was always his dream job. nothing else was ever an option for him,

but then he seriously injured himself when he reached into the blades of a combine harvester. doctors couldn't save his arm. so he needed a prosthesis to replace the last hand good. had a german prosthesis manufacturer, physiotherapist done, nila vista felt trains patients to use a prosthesis with artificial intelligence with the basic training last several weeks. and begins with a special learning cuff klein. there are 8 pairs of electrodes in the cuff. they pick up muscle impulses coming from both gone. bowers, arm and pessimism. an app makes the impulses visible and stores them as movement patterns as get animal does have been pleasant. bleaching connection between the calf and the asset doesn't count. the cuff contains

a large number of electrodes here is re, which it communicates the muscular tensions involved, gangs body to the app and all that kind of stuff. in the sleeve of gung bower learns to move is amputated hand. it's important that for each movement, the muscle impulses and are as different as possible. that way the prosthesis can assign a movement to each impulse. it helps him to know that movement patterns such as opening or closing the hand, remain in the brain even after an amputation. if the muscle impulses can be assigned to specific movement, the prosthesis can use a i to learn which of the movement patterns it should respond to with which movement. the electrodes in the prosthesis register the impulses in the arm with the i. the patterns it detects can be assigned to specific movements and stored while both gung bower trains for several weeks, the technicians make his prosthesis. it is now able to adapt to individual movement

patterns. it's an enormous improvement in both gung bowers quality of life benefit from an operational point of view. it's simple room if you mentally open the hand or the hand open, unless if you close it, it closes it. if you rotate, it rotates it. don't even have to think about it either. the prosthesis simply executes the movement, but he has to practice a lot. it's the only way for the prosthesis to keep learning. the high tech devised costs around 60000 heroes, including therapy and individual fitting him anything from well, to be honest, i can't really imagine life without a prosthesis to think on. so i use it all day depending on what activities i do during the day or in my private life. even when it comes to simple things like eating normally, if you need the prestige this with you everywhere is it thanks to his push thesis.

vote gung bowers dream of being a farmer isn't over. together with his team engineer easton law chappelle designs, individual arm prostheses. to keep the process as simple and affordable as possible . the use software that creates a so called the digital twin of the prosthetic for each customer. or model relies and sunday and 3 d scanners to our users, or a family member or friend would stand the residual. lemme we collect that 3 d data and geometry and, and start creating sockets. the socket is how the device attaches to the person as really emerging man, a machine. it's not only an attachment mechanism to the human body, but as lined with muscle sensors. so a child out of the box after 10 or 15 minutes of training, they can actually start moving their hand according to estimates worldwide. just 5 percent of people with lim loss have access to medical care. east and la chappelle

is on a mission to change that and revolutionize the prosthetics industry. time now for a coach rally i to show us another exercise we can do at home with . hi and welcome. today i will present a lovely exercise. it's called side lunch. take a white step to the side and return to re starting position with 10. read each side for 5, browse. when you go deeper, it's a little bit more exhausting with,

with this exercise your strengthen your entire leg from your hips through your toes blue. that's all for this episode. stay active and see you next time on in good shape. so ah, with

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with successes are seen in a weekly coven 19 special. every thursday con d. w. i saw torres a 100 german lost reads on d. w. a vibrant habitat ended glistening plates of morning. the mediterranean sea. it's waters connect people of many cultures seen of almost rock enter far abdul karim drift along with exploring modern lifestyles and mediterranean. where has history left? its traces meeting people hearing their dreams

ready to meet this week on d. w. ah ah, this is d, w. news live from berlin limit had traffic flowing again after a massive explosion on the bridge connecting russia to crimea. moscow accuses ukraine of blowing up the link to the legally occupied peninsula. cave expresses de live, but is not admitting, carrying out an attack. also coming up, try and grind to a halt in parts of germany, delays and nothing new one b, a crew.