Find Inky News Today

>> find inky. >> reporter: or find a needle in a haystack. or even save your life if you are drowning. >> oh, i know. >> reporter: researcher greg burns had an idea no one has ever tried. to teach his dog callie to sit perfectly still for a series of mris and actually looking into her brain. getting her still was the hard part. they practiced with this contraption at home for months. and now these are the first images of an active dogs brain. during the test they showed callie hand signals shed ...

>> find inky. >> reporter: or find a needle in a haystack. or even save your life if you are drowning. >> oh, i know. >> reporter: researcher greg burns had an idea no one has ever tried. to teach his dog callie to sit perfectly still for a series of mris and actually looking into her brain. getting her still was the hard part. they practiced with this contraption at home for months. and now these are the first images of an active dogs brain. during the test they showed callie hand signals shed ...

>> reporter: john has taught chaser to tend to an extremely large, if unconventional herd, 1,000 toys. she knows the name of 1,000 of these? i find this hard to believe so i test her memory with a random sampling. find inky. she got one right. find seal. whoa! and that one, too. in fact, she got all nine right. but what about a new toy shes never seen or heard the name of? chaser has never seen darwin, hasnt heard the name darwin. were going to see if she picks out darwin by inference. find darw...