Scientists film the exact moment life takes hold. Implantation, when an embryo attaches to the uterus, is one of the most mysterious and fragile steps of human development. It’s also where up to 60% of failed pregnancies occur. Until now, scientists had only snapshots of this hidden process. But researchers at the Barcelona Institute of Science and Technology (BIST) created a lab model that mimics the uterine environment and filmed human embryos as they invaded a collagen-based matrix. The foota

66K views · 2.1K reactions |  Rare and historic — this is the...