los angeles became the latest city to ban bull hooks which are used to stab and pull at elephants during training and performances. >>> scientists are using brain cell implants to create super-intelligent mice. university of rochester medical center researchers took undeveloped human brain cells and injected them into the brains of baby mice. researchers say the test mice became considerably smarter than other mice, with about four times better memory. they hope to use that information to help treat human brain diseases such as multiple sclerosis. >>> coming up next, a look at the incredible holiday display created here in the bay area. >> that wi >>> coming up on abc 7 at 6:00, 7 on your side's michael finney with time on his hands. expensive timepiece that should have been on a bay area man's wrist. >>> if there's science in your blood, you can make your own discovery. a community lab where you can satisfy your bio-curiosity. >>> and we will bring you the latest thing in wearable technology from china to the silicon valley, a new kind of technology on display. that's coming up in half