Breakthroughs of the year The Atlantic: Paul Tesar, the Dr. Donald and Ruth Weber Goodman Professor of Innovative Therapeutics at the School of Medicine, discussed the breakthrough that allows scientists to grow an embryo in a lab without the use of sperm or eggs—or a womb. “As soon as the science starts to move into a place where it’s feasible to go from a stem cell population in a petri dish all the way through to organ development, it’s a pretty wild and remarkable time,” he said. |