Computer Algorithm May Speed Drug Discovery - ScienceNOW
In 2007, researchers noticed that the anti-HIV drug nelfinavir, developed in the 1990s, had a surprising second benefit. It reduced tumor size in a variety of cancers. Now, scientists think they have figured out how nelfinavir and other drugs work their double magic. Instead of strongly inhibiting one enzyme like most drugs on the market, they act weakly against many targets. "This is part of a pa
Robot 'Hands' Write Without Fingers - ScienceNOW
Fingers off. Grain-filled sacks can mold around objects of almost any shape, where conventional robotic hands could slip. It turns out that opposable thumbs aren't critical for getting a good grip. Neither are fingers. Scientists have created a robotic arm that can do everything from serve drinks to draw pictures even though it has no digits. Fingers and thumbs work perfectly well for humans, says
Video: Programmable Origami - ScienceNOW
This item requires the Flash plug-in (version 8 or higher). JavaScript must also be enabled in your browser. Please download the latest version of the free Flash plug-in. Finally, an accessory any Transformer would love. Researchers have created flat sheets of composite material that can fold themselves into toy boats, tents, and even paper airplanes. Based on the ancient art of origami, the sheet
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Molecules Imaged Most Intimately - ScienceNOW
