As humans, we need water, food and sleep. OK — more than that. We also need a good immune system, among other things. But thanks to plants and the sun, we as humans can eat, breathe and live.

But what if plants are good for us even if we don’t eat them? Turns out there’s been quite a bit of research done on the benefits of indoor plants on our health and well-being. Some of the most famous ...

Phosphorus, a key ingredient in fertilizers, is running out. The world's food systems depend on phosphorus mined from limited ...

And one of those big ideas was looking at how our world functions: Where does the energy come from that keeps most living things on earth alive? How is that energy converted to a form we can use? The ...