Stories by Kristin Leutwyler

Paleoanthropologist Ian Tattersall Talks about What Makes Humans Special [Video]

New ideas about human evolution reveal just how unique Homo sapiens are

Dying to Be Thin

Eating disorders cripple--literally--millions of young women, in large part because treatments are not always effective or accessible

Math's Most Wanted

A Trio of books traces the quest to prove the Riemann Hypothesis

'Sonic Flashlight' Lets Doctors See Through Flesh

Natural Viral Enzymes Do Battle Against Drug-Resistant Bacteria

Researchers Discover How Alzheimer's Protein Behaves in Healthy Cells

New Data Kicks Up 'Snowball Earth' Fight

Scanning Tunneling Microscopes Make Surfaces Seem Rougher Than They Are

Protecting the Nation's Water Supply

Long before the recent terrorist attacks, some researchers began developing ways to assess and address threats to the U.S. water infrastructure

Nobel Prize in Economics Awarded for Analyses of Markets with Asymmetric Information

Study Finds No Link Between Drinking Soda and Cavities in Teens

100th Nobel Prize in Medicine or Physiology Announced

Icelandic Weather System May Explain Melting Arctic Ice

Casinos More Often Lead to Losses than to Economic Development

White Dwarf Shooting through Space May Have Left a 'Stellar' Contrail

One Crater on Eros Ejected Most of the Asteroid's Surface Rocks

Experiments Reveal How Cells Can Act Like Molten Glass

Deep Space 1 Cruises Past Comet Borrelly with Ease

New Strategies Needed to Play Traditional Games in the Quantum World

In Cases of Euthanasia, Men Most Often Kill Women