How Far Should We Go in Rewriting the Human Genome?
The human genome: our 3-billion-letter biological instruction manual. It’s the cosmic recipe that says, “This is you,” with just enough typos to make life interesting. But thanks to modern science, we now have the red pen in hand—and some people seem a little too eager to start editing. With tools like CRISPR-Cas9, scientists can now snip and tweak DNA with the precision of a deranged copy editor on a caffeine binge. And while that’s thrilling for curing diseases or preventing genetic disorders, it also opens the door to “designer ”babies”—humans edited for better eyesight, faster reflexes, or perhaps the ability…