Our brave new world is here. With modern genetic technologies, science fiction's "what if?" has become the scientist's "why not?" Bioengineering has the potential to remake animals in almost any way we can imagine, and it's being used to solve a range of urgent global problems, including climate change, species extinctions, the destruction of natural habitats, and human health issues. But just because we can do all these things, does that mean we should? In the pages of Glow