The Download: creating the perfect baby, and carbon removal's lofty promises

Plus: Meta has taken down a group dedicated to tracking ICE officers' movements An emerging field of science is seeking to use cell analysis to predict what kind of a person an embryo might eventually become. Some parents turn to these tests to avoid passing on devastating genetic disorders that run in their families. A much smaller group, driven by dreams of Ivy League diplomas or attractive, well-behaved offspring, are willing to pay tens of thousands of dollars to optimize for intelligence, appearance, and personality. But customers of the companies emerging to provide it to the public may not be getting what they're paying for. This story is from our forthcoming print issue, which is all about the body. Plus, you'll also receive a free digital report on nuclear power.