Hybrid devices that are part machine, part living cells, offer new hope to patients for whom purely artificial treatments like dialysis aren't good enough.
From the Editor in Chief
Comic strips for a quarter? A new twist on micropayments is raising the likelihood that you'll be able to pay tiny sums of money for small slivers of information.
Despite staunch opposition from the computer science community, ATM-style electronic voting may offer the best hope for escaping the mess inflicted by paper-based balloting systems.
How Wi-Fi works.
Felice Frankel's pictures illuminate scientific research and sometimes suggest new directions of exploration.
Hewlett-Packard is betting that it can build computers whose functionality rests on the workings of individual molecules. It's blue-sky research, but if it works, it will push computing far beyond the limits of silicon.
Online communities thrived long before the advent of Web logs.
The 7E7 could set new efficiency standards, thanks to lightweight materials, smarter sensors, and a streamlined design process. But can it pull Boeing out of a market nosedive and revitalize struggling airlines?
A worrisome Monsanto patent claims exclusive rights over all genetically engineered soybeans.