View full lesson: <a href="http://ed.ted.com/lessons/how-to-make-a-baby-in-a-lab-nassim-assefi-and-brian-a-levine" target="_blank" rel="nofollow">http://ed.ted.com/lessons/how-to-make-a-baby-in-a-lab-nassim-assefi-and-brian-a-levine</a><br /><br />Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a baby in a lab.<br /><br />Lesson by Nassim Assefi and Brian A. Levine, animation by Kozmonot Animation Studio.