The first time molecular biologist Doris Taylor saw heart stem cells beat in unison in a petri dish, she was spellbound. “It actually changed my life,” said Taylor, who directed regenerative medicine research at Texas Heart Institute in Houston until 2020. “I said to myself, ‘Oh my gosh, that’s life.’ I wanted to figure out the how and why, and re-create that to save lives.” That goal has become reality. On Wednesday at the Life Itself conference, a health and wellness event presented in partnership with CNN, Taylor showed the audience the scaffolding of a pig’s heart infused with human…

Biometric authentication could soon be revolutionized as scientists in Japan have developed a security tool which identifies people by their breath. Being able to fully rely on identity check systems is more crucial than ever for public institutions such as airports but also a wide variety of private companies. Researchers from Kyushu University said their olfactory sensor had an accuracy of 97 percent in a first series of tests. Chaiyanut Jirayupat from Kyushu University's Institute for Materials Chemistry and Engineering is the first author of the study. Speaking about the potential advantages compared to security checks of fingerprints, voices or…