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Little bit of help from the nsa collected and stored millions of web cam images. millions of images from yahoo users and a large number were sexually explicit. the code name was optic nerve and continued through 2012. all of this according to nsa documents to the guardian by edward snowden. yahoo is denying prior knowledge of the program. if the hospital is true, it represents a new level of violations and user privacy that is absolutely unacceptable. >> bombshell revelations in the bridge scandal with chris christie's office. now we have this pressure trove of text messages going public. thes...

Life. and also if you lose weight, if there are any other symptoms, you don't hear well, the mass in the brain could be pressing on the optic nerve. >> something is going on? >> something else is going on. >> you got to see a doctor, primary care or neurologist. >> don't ignore it. and they just give you some medication. if it continues to have other symptoms, go see your doctor. that's when we would be a red flag. >> what about if you're really, really thirsty, some people think maybe i'm dehydrated or could be diabetes? >> that's a very good point. with diabetes, you're going to lose sugar a...

To get vision restoring microchip implants that are considered revolutionary. more from the bbc's fergus walsh. >> reporter: just six weeks ago, chris james was totally blind. now he can perceive light. this box powers his implant but it's what's under his scalp which is amazing. this x-ray shows the computer processor above his ear linked by a cable to the implant behind his retina. the wafer-thin chip is just three millimeters square. now he can perceive light and even the outline of shapes. chris is one of thousands of people in the uk with retinitis pigmentosa. the light processing cells i...

More people called her back with the adrenaline rush. >> isn't that understandable? >> the point is -- let's take the vision, for instance. vision is a good example. the data the retina gets from the outside world is very pixelated, it has a big hole in it where the optic nerve attaches to the retina, yet you get a very clear image even though your eye is two-dimensional. that's because your eye is very good at getting a clear image. you take limited data and make interpretations out of it, and then you believe they're real as well as you believe your visual perception is out there. >> what is...

little bit. and i'm going to hit on something a little bit touchy in our world. remember when chef paula deen announced she had diabetes. a lot of people voicing their opinion, i told you so. that's what you get for cooking such incredibly rich food. we wish paula deen the best. we love her. i want to take another approach. sam talbot, a finalist on the show "top chef," has had diabetes for most of his life. it's taught him important lessons about eating healthy. we're going to try to share them with you today. first, like a lot of people, i was pretty shocked to get the news about...