Page 4 - Human Hearing News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: the symptoms started being reported in november by at least 16 american diplomats and family members in cuba according to to the state department. at a time when relations were thawing and long standing harassment of u.s. diplomats there had stopped. there was nausea, dizziness, headaches, but also permanent hearing loss and perhaps most alarming, mild traumatic brain injuries, concussions. u.s. officials tell cnn, they believe a sophisticated device operating outside the range of human hearing could have been placed inside or outside the diplomat's homes. a sonic weapon. sound wa...

Symptoms including hearing loss. now sources are telling our miami station wplg those symptoms included memory loss, loss of balance and vision issues. experts tell abc news that sound waves above and below the range of human hearing could potentially cause permanent damage. the state department today pressed on a report that some officials were diagnosed with injuries as severe as brain injury. >> i'm not going to confirm the medical status of any u.s. government personnel. but what has happened there is of great concern to the u.s. government. >> reporter: the u.s. has responded by expelling...

At is cones? cones. correct. $2,800 your new total as you move into second place. $1,000, wildlife. to communicate over distance or in dense brush, rhinos use infrasound, too low for human hearing to detect, because it's below 20 of these frequency units. what are hertz? and before we get to the last two clues, i want to take a moment to thank the wonderful people of south african tourism for extending such great hospitality to sarah and kelly, who visouth africa to record those clues for us. and good news for you folks at home. you, too, could win a saf-- a safari, just like the one enjoyed b...

>> british researchers gave the animals shots of stem cells taken from human embryos. the bbc's fergus walsh shows us how it works. >> reporter: these nerve cells under the microscope are what researchers hope one day will reverse deafness. they were created from human embryonic stem cells which have the ability to turn into any tissue. the scientists are trying to tackle a form of deafness that affects one in ten people. with profound hearing loss. in the condition, nerve cells in the cochlea, inner ear are damaged preventing sound from traveling along the auditory nerve to the brain. like cu...

Taken from human embryos. the bbc's fergus walsh shows us how it works. >> reporter: these nerve cells under the microscope are what researchers hope one day will reverse deafness. they were created from human embryonic stem cells which have the ability to turn into any tissue. the scientists are trying to tackle a form of deafness that affects one in ten people. in the condition, nerve cells in the cochlea, inner ear are damaged preventing sound from traveling along the auditory nerve to the brain. like cutting a telephone wire. in the lab, they grew stem cells, smaller than a pinhead and gre...