Genetically engineering mouse DNA could be key to curbing Lyme disease | 60 Minutes

Now, Dr. . John Leuke on assignment for 60 Minutes. Biologist Charles Darwin began crafting his theory of evolution on a trip to the Gapagos Islands, where he discovered animals had developed unique traits that varied from island to island.Nearly two centuries later, on a different island, scientists aren't just observing evolution. They now have the technology to shape it. This past year, we met a team of modern-day Darwins on Nantucket, where they're hoping to use genetic engineering to reduce the transmi ...