Must we take a look at all full space cities. Urban life is practical everything is within reach. But cities can be stressful and the major stress factor is the noise. Noise pollution is one of the Biggest Health risks in urban areas. Our reporter anna sacco went in search of sounds of silence in the big city. I. Knew. That. Being out in nature with a good book nothing better. If you like me live in a big city you. Its pretty hard to find a little peace and quiet. Noise pollution its everywhere you go but what is noise anyway noise a sound especially one thats loud on pleasant. From a physics standpoint though nice and sound are the same thing. Both of the travel through the air on gas. But theres a slight problem with our definition of what i consider noisy but not be noisy for you. Still we can measure sound levels anything over eighty five decibels is potentially dangerous and not only for your ears. And. Research just noise and Healthy Living in the city was noise such a problem in
and the baltic biologist t.-mo morehead has been doing research here for more than fifteen years studying fish from all over the world. using a method known as clearing he looks inside the specimens to examine their skeletons . just think of every possible vertebrate on land from the back to the elephant to the penguin well there are just as many species of fish and as a fish scientist i d say they re just as diverse to. first the bones and cartilage are stained with red and blue dyes respectively the flesh is dissolved with enzymes and the fish is immersed in the medium such as glycerin to make the remaining connective tissue transparent the process can take month team or more had from this ph d. student phillip team may have prepared countless specimens like this one.