Metal Clusters and Magic Numbers
Investigations of tiny lumps of metal can help bridge the gap in physicists' understanding of the differences between isolated atoms and bulk solids
Volume 277, Issue 6
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Features
The Case for Relic Life on Mars
A meteorite found in Antarctica offers strong evidence that Mars has had—and may still have—microbial life
Williams Syndrome and the Brain
To gain fresh insights into how the brain is organized, investigators are turning to a little known disorder
Tracking a Dinosaur Attack
The efforts of a sculptor and a paleontologist reveal details of a 100-million-year-old skirmish
Exploiting Zero-Point Energy
Energy fills empty space, but is there a lot to be tapped, as some propound? Probably not
Building the Biggest
The Longest Suspension Bridge
The Akashi Kaikyo Bridge has broken many records and weathered an earthquake-even while it is being completed
The World's Tallest Buildings
Malaysia's Petronas Twin Towers serve as both a cultural and an economic symbol
Building a New Gateway to China
The largest public-works upgrade on earth calls for, among other things, a new airport, two world-class bridges and two submerged crossings of Victoria Harbor
Do we Still Need Skyscrapers?
The Industrial Revolution made skyscrapers possible. The Digital Revolution makes them (almost) obsolete