. >>> finally crocodile dundee didn't actually exist. yeah, some tourists theoretically got a close look at this massive crocodile. brutus, 17 feet long. >> is that real? >> that's the question, robin roberts. you're always asking the best ones. >> is it real? they swear, the photographer selling the photo, this is brutus and very much real. i can't believe it. >> i don't buy it. >> if that's actually real that seems like 35 feet long. i mean, that's the head essentially. look where it is relative to the people next to it. they are -- or they're the calmest tourists i've ever seen. >> that's true. >> i'm not in that photo. >> you would be a good private eye because seeing that. >> if that's real i don't want to say what i'm thinking. >>> let's get over to the hot news heat index. turn it over to lara. what's cool and what's not? >> right to it. we start in pop news with a very buzzy story. no pun intended. all right. there is new research on food. the next time you eat an entire bag of chips, it may not be totally your fault. research sho