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- Physics
Fit to Be Tied
Two new books present scathing critiques of string theory, which holds that the universe has 11 dimensions and that its fundamental building blocks are ultratiny loops of energy known as strings.
By Peter Weiss - Computing
Digital Fingerprints
New methods to identify Internet users by their behavior can uncover criminals online, but these techniques may also track millions of innocent users.
- Computing
What a Flake
New ways to simulate ice-crystal growth yield patterns remarkably similar to the beautiful and intricate shapes of snowflakes and may shed light on how those real-life shapes come about.
By Peter Weiss - Earth
Rocking the House
A recent test that simulated the effect of a magnitude-6.7 earthquake on a full-size, wood-frame townhouse may help engineers and analysts design more earthquake-resistant homes. With sound and video.
By Sid Perkins - Humans
Ballot Roulette
In the midst of rapid change in voting technology, researchers are finding causes for concern as well as inventing new equipment and schemes to improve the accuracy and integrity of elections.
By Peter Weiss - Math
Math Plus Crime, TV Style
Math tidbits from the TV show "Numb3rs" inspire commentary and classroom activities.
- Health & Medicine
How Advertising Is Becoming Child’s Play
Food manufacturers are embracing new media to market their products directly to children.
By Janet Raloff - Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
By Science News - Physics
Out of Sight
Shields that confer invisibility on objects and people may be on the horizon.
By Peter Weiss - Earth
A Little Less Green?
Emerging data indicate that use of pyrethroid pesticides, even by home owners, poses significant environmental risks.
By Janet Raloff - Math
From Counting to Writing
Counting and numbers played a crucial role in the development of writing.
- Humans
Benched Science
As a result of three U.S. Supreme Court decisions in the 1990s, people who sue for redress from injury are now less likely to have scientific or medical evidence concerning that injury reach a jury.
By Janet Raloff