Harvard biologist E.O. Wilson has been leading an ambitious project over the past few years to create a free high school biology textbook custom-built for the digital age. It’s called Life on Earth. In 2012 the team released a sample chapter, and they’ve been releasing more since then. Reviewing the project early on for Download the Universe, anthropologist John Hawks had mixed feelings. He praise
![A Free Digital Biology Textbook Is Now Fully Hatched](https://cdn-ak-scissors.b.st-hatena.com/image/square/bfb69fcb1d7125ff47f3364433975c75071b4bf1/height=288;version=1;width=512/https%3A%2F%2Fassets-cdn.nationalgeographic.com%2Fnatgeo%2Fstatic%2Fdefault.NG.logo.dark.jpg)