How tiny creatures feed the world and support life on Earth Last week, a friend asked me, "I heard recently that bees were introduced to...

How it works and how we've changed it Without the nitrogen cycle, there would be no life as we know it. Plants can’t grow without...

The environmental impact of what you eat and how much it matters. In Part 1 , we covered what trophic levels are and how different...

Exploring the foundation of life. Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into...