Genetic engineers can design and assemble sophisticated gene circuits to program cells with new functions, but important signaling molecules can become diluted as these cells grow and divide, causing ...

At a meeting of top conservation groups this week, a bioethics question took center stage: Should scientists be allowed to tinker with the genes of wild plants and animals? The tentative consensus so ...

An international team of researchers has used genetic engineering to create the first ever “product-ready” antivenom for ...

Should we genetically modify wild lions? Of course not, might be your instant response. But what if lions were being wiped out by a devastating disease introduced by people? What if the genetic change ...