This week we welcomed a record-breaking baby to the world. Thaddeus Daniel Pierce, who arrived over the weekend, developed from an embryo that was frozen in storage for 30 and a half years. You could call him the world’s oldest baby.

His parents, Lindsey and Tim Pierce, were themselves only young children when that embryo was created, all the way back in 1994. Linda Archerd, who donated the embryo, described the experience as “surreal.”

Stories like this also highlight how reproductive technologies are shaping families. But while baby Thaddeus is a record-breaker, plenty of other babies have been born from embryos that have been frozen for significant spells of time. Read the full story.

This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like this first, sign up here.If you’re interested in reading more about fertility tech, why not check out:+ Earlier this month, researchers announced babies had been born from a trial of three-person IVF. The long-awaited results suggest that the approach can reduce the risk of mitochondrial disease—but not everyone is convinced.

+ Frozen embryos are filling stora...