biologists are finding the frog eggs, a sign they're breeding in the foothills of the sierra once again. this experiment a unique partnership between the park, the zoo and the yosemite conservancy. biologists hope it's a model for other threatened species. >> you want to have kids interacting with nature and to me, frogs, turtles, fish are the best way to do that. >> reporter: a missing piece to the ecology puzzle threatening species around the world. steve patterson, nbc news, san francisco. >> what a beautiful place to be relocated to. >>> still ahead on "today in the bay" we'll have an update on the fire in clayton that we first brought you as breaking news yesterday morning. >>> also his son remains locked up in an italian jail accused of killing a police officer. a bay area father returns home to tell his side of the story. can my side be firm? and my side super soft? with the sleep number 360 smart bed you can both... adjust your comfort with your sleep number setting. so, can it help us fall asleep faster? yes, by gently warming your feet. but can it help keep me asleep? absolute