bv. looking at this color spectrum, here's what it would see -- not as colorful, but more than just black, white, and gray. so the claim that dogs don't see in color is just a dog's tale. in fact, it's one of my pet peeves. >> coming up... i'll tell you how this floating classroom is helping to save the planet. >> the aussies should be happy about the results of a recent survey of 34 countries. australia was found to be the happiest country in the world. the united states came in sixth place. come on, folks. we can do better. we just need to think more happy thoughts. i'll start. ice cream... chocolate... summer vacation... i'm happier already. >> in atlanta, georgia, these kids are getting on board an unusual classroom -- one that floats. today's project -- to learn more about lake lanier. this lake was created many years ago when the chattahoochee river was dammed up. >> it was for flood control in atlanta. >> the man-made lake is an excellent laboratory to check on the health of the en

so e bv for me have to get rid of these two things. katie had to get rid of corruption. and be among the must have up to batu up democracy samsung's how one's problems cannot be resold. i love tulips i can tell you that i'm really frustrated. really you retake it. when japanese to rope in a manner you can say that taking it in is beyond me and you have to respect what because i'm not in oc th some kind people. they don't have to beat murray. they have. we got to me again and able bodied person who keep their benefit. we all realize the one that has eaten cookie then something is do we can take. most people who are at once. nestle support anti government demonstrations. i meant some publishing company the farm produces a fashion magazine and a half mile down the three heats. i heard sirens and silas t shirts for the demonstrations. all proceeds from the sounds model two hundred thousand dollars to taste. this is not out of the people wanted to buy just yet. and something good is not coming yet. a nine o'clock this morning the suns crossings is proving more of this communi