In recent years, focus on career and delayed marriage age is driving some women to consider preserving their fertility through egg freezing. But the steep cost of the procedure, estimated at $10,000 to $15,000 per attempt, means many women can’t afford it during their most fertile years: 20s and early 30s. Cofertility, a startup founded […]

On Monday, the “de-extinction” startup Colossal Biosciences announced its most ambitious results to date: the dire wolf. These are creatures that have been extinct for more than 12,000 years and made famous by the HBO show “Game of Thrones.” These white, fluffy animals live on a 2,000-acre preserve in a location so secretive that journalists, […]