Tree shrews eat plants that are extremely spicy, while most other animals avoid these plants. What makes them able to stand this spiciness?

We use analogies all the time to help us explain things. But what if we could use characters from a famous story – the Lord of the Rings – to learn about different life strategies of organisms?

All over the world, plants are dependent on secret partners—bacteria and fungi—for their survival. But what happens to these relationships if new, exotic plants move into the area?

Cacti live in one of the harshest climates on the planet: the desert. Scientists are investigating how we can make life easier for these desert-dwelling plants.