marin da's mother. >> he strength -- it made me cry.atching it was really moving. >> you will never meet a more resilient person than carman. >> it was beautiful to watch. >> so rachelle, you got the opportunity to cover a technology story that was completely different. >> completely. >> please tell me about it. >> the california condor was practically instinct. we started to use technology to bring them back and foster an increase in the population, and that's what we are taking a look at next. >> all right, let reese check it out when we come back. welcome back to tech know. you are about to tell us a story about one of the strangely magnificent birds in the world. >> close up it is pretty ugly. so it isn't the most beautiful bird close up. but when it is flying, it is absolutely gorgeous. at 1 point, the population was down to about 22 birds total. and it's all because of the led shot in bullets p p because humanity took them to the brink of extinction, we are now working to bring them back to it's original population level. >> in fl