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The magazine of the science fiction, fantasy, and horror field with news, reviews, and author interviews

A 'ghost heart' is a pig's heart prepared so that it can be transplanted into people. Provided by Doris TaylorHeart disease is the leading cause of death worldwide. The World Health Organization estimates that 17.9 million people lose their lives to it each year, accounting for 32% of global deaths. Doris Taylor is a scientist working in regenerative medicine and tissue engineering. Her work has focused on creating personalized functioning human hearts in a lab that could rule out the need for d

Intersect it's a place like this. >> someone else said to me you're not building organs, you're building hope. >> from one kind of heart to another, with the retired marine who helps fellow human vets. adam kisielewski lost an arm and a leg in iraq. a group provided him with a specially adapted house mortgage-free and how he's a board member and a full-time supporter of veterans and jake tapper's champion for change. >> adam was grievously wounded while serving for this nation. nobody would begrudge him whatever kind of life he led after these wounds, but he's an inspiration. >> i know you're ...

>> welcome to "champions for change." i'm dr. sanjay gupta. this hour we will spotlight people who are changing the way things are done. they're not celebrities. they're not politicians, but they are re-shaping the world with creativity, passion and heart. later in the show you're going to meet my champion for change, but first, cnn anchor and former track star ana cabrera catches up with a coach and mentor for some determined girls who are lacing up their running shoes and chasing down dreams. ♪ ♪ >> go get them! go get them! >> i wouldn't be the person i am today without her. >> excellen...

Reporter. he and i were bandmates and good friends. it was sort of a call to action for me to harness that power offing music to combat the hate that drove his murder. >> how did you meet trey? >> trey was one of our program participants about six years ago. it's been fantastic to see him rise in the organization. trey, in my opinion, is the poster child for gen z. he is simultaneously young at heart and wise beyond his years. i learn from this guy every day. >> for someone so young to live in atlanta and to absorb and appreciate the history around him to try to ease some of the suffering acro...