Week of Dec. 15, 2007; Vol. 172, No. 24

A New Editor for Science News

Science News welcomes a new Editor in Chief. more...

Ancient Ailment? Early human may have carried tuberculosis

A 500,000-year-old Homo erectus skull from Turkey may show telltale signs of tuberculosis, by far the earliest such evidence of the disease. more...

Stellar Opposites: Sky survey reveals new halo of stars

The Milky Way galaxy possesses a distinct outer halo that orbits in the opposite direction from its inner halo and the rest of the galaxy. more...

The Long Road to Beta Cells

In their quest to cure type 1 diabetes, scientists are finding that turning stem cells into insulin-producing beta cells is a lot harder than it first appeared. more...

Web Special: Science News Wins Award for Sci-Tech Coverage

Each week, Science News distills "the latest trends and findings in the ever-expanding world of science into must-know information," according to the editors of the Utne Reader, which named Science News magazine winner of its 2007 Independent Press Awards in the science and technology category. more...

This Week's Table of Contents

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MathTrek: Flying without Fractals

A new study raises doubts about fractal patterns in animal behavior.

Food for Thought: No Peanuts for Your Peanut

Youngsters are developing peanut allergies earlier because of exposures in babyhood.

TimeLine: 70 Years Ago in Science News

A sturdy new building for a mountaintop weather station, proving the authenticity of a treasure, and tracking cosmic rays underground.

Science Safari: My DNA Project