Plant of the Month: Chili Pepper
Few foods elicit such strong reactions as chili peppers. Why do we love something that hurts so much?
Corn Is Everywhere!
Two educators use the history of corn, from the domestication of maize 10,000 years ago to today's ubiquitous "commodity corn," to teach about biodiversity.
This Week in Sustainability: From Ice Age to Internet Age, Scientists Look for Clues to Species’ Extinctions
Scientists explore the causes--climate change, habitat destruction, and more--that decimated animals and humans alike, from Ice Age to Internet Age.
The Science of Hot Chili Peppers
Why do spicy foods feel hot? A look at the science behind the world's spiciest hot chili peppers, including the new "Dragon's Breath" variety.
The Weirdest Dwarf Planets Discovered So Far
The solar system is apparently more crowded than we thought: astronomers have discovered a new dwarf planet. Some dwarf planets don't play by the rules.
Your Green Lawn is Harming the Environment
Americans go to desperate measures to keep their lawns manicured and green. But is it worth the environmental cost?