A New Idea for How to Assemble Life
How would scientists even recognize biological signs of life beyond Earth? Assembly theory proposes a way to identify molecules made by living systems—even those using unfamiliar chemistries.
‘Embryo Models’ Challenge the Legal, Ethical, and Biological Concepts of an ‘Embryo’
With constructs built entirely from stem cells, researchers can revolutionize scientific understanding of human development. But how close is too close?