- COVER STORY Materials of the last century shaped modern life, but at a price From our homes and cities to our electronics and clothing, the stuff of daily life is dramatically different from decades ago. By Carolyn Wilke
- NEWS The coronavirus may cause fat cells to miscommunicate, leading to diabetes By Tina Hesman Saey
- NEWS Neandertals were the first hominids to turn forest into grassland 125,000 years ago By Bruce Bower
