Stories by Katherine Harmon

Few flying cars and no fountains of youth: Since 2000 many old science goals have remained as far away as ET's signals

Taking the herbal supplement for six years did not keep older adults any sharper

As global temperatures change, not all shifts will be equal. A new global analysis pinpoints the fast pace some species may have to move to remain in a suitable climate

Contrary to popular melodramas and musicals, orphanages in many countries seem to take care of abandoned children just as well as adoptive homes

The human body has more microbial than human cells, but this rich diversity of micro-helpers that has evolved along with us is undergoing a rapid shift--one that may have very macro health consequences

The recently unearthed theropod, Tawa hallae, solidifies the link between primitive carnivores and those that evolved into modern birds

Amidst all the chatter about cancer, a new study finds that even as mobile phone use surged in northern Europe, the instance of brain tumors stayed about the same

A rare genetic disease leaves its victims debilitated by transforming soft tissue cells into bone cells, creating a strange second skeleton. A leading researcher explains how the disease works and what we can learn from it

Space-based data are helping to track and predict the spread of deadly diseases

From solar power to powering our planet with garbage, Scientific American explores ideas that would improve our planet

Tests reveal patients in vegetative states can form new memories