Scientific American Magazine

How a world filled with sensors will change the way we see, hear, think and live

Newly discovered lobes stretch tens of thousands of light-years above and below the Milky Way's disk. Where they come from remains a mystery

Long cloaked in mystery, the ancient Teotihuacán culture is at last giving up its secrets

Making modern supermarket produce so big and hardy drained a lot of its flavor. Scientists now have the technology to bring it back—without genetic engineering

The adult brain generates neurons every day. These cells help us to distinguish one memory from another—a finding that could lead to novel treatments for anxiety disorders

Treated sewage could be the safest, most environmentally sound source of tap water yet—if we can get over the yuck factor

Nobel Prize winners have published 245 articles in the pages of Scientific American. Here we present excerpts from stories in our archives that highlighted new insights into how the body functions.