#Bioethics

California startup R3 Bio quietly pitched investors on 'brainless human clones' as backup bodies—beyond its public story of nonsentient organ sacks for drug testing. A deep dive into biotech's most ethically charged frontier.

Around 5,000–6,000 people worldwide have signed up to have their bodies or brains cryonically preserved after death. Scientists say revival is vanishingly unlikely. So what exactly are they waiting for?

From cryonics to de-extinction, biotechnology is redrawing the line between life and death. What does that mean for how we live, grieve, and understand ourselves?