Powerful ‘Gene Drive’ Can Quickly Change An Entire Species: Scientists have known for years how to genetically engineer living things. Sometimes, the genetic changes are passed down to offspring. A new technique called “gene drive” could make that happen almost every time. The advance is raising excitement about possible real-world uses, such as fighting diseases. But the approach is also raising serious concerns. Our students need to be attentive to these left-hand kingdom opportunities, concerns, and tensions.