Ballbots
A new mode of locomotion will enable mobile robots to stand tall and move gracefully through busy everyday environments
Features
How to Blow Up a Star
It is not as easy as you would think. Models of supernovae have failed to reproduce these explosions--until recently
The Promise of Molecular Imprinting
Tiny plastic imprints and mimics of biological molecules are poised to speed drug discovery, warn of bioterror attacks and remove toxins from the environment, among other applications
Hydraulic Engineering in Prehistoric Mexico
Three thousand years ago precursors of the Aztecs built the first large-scale water management systems in the New World
Impact from the Deep
Strangling heat and gases emanating from the earth and sea, not asteroids, most likely caused several ancient mass extinctions. Could the same killer-greenhouse conditions build once again?...
Peacekeepers of the Immune System
Regulatory T cells, only recently proven to exist, keep the body's defenses from attacking the body itself. Manipulations of these cells could offer new treatments for conditions ranging from diabetes to organ rejection...
Viral Nanoelectronics
M.I.T. breeds viruses that coat themselves in selected substances, then self-assemble into such devices as liquid crystals, nanowires and electrodes
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50, 100 & 150 Years Ago: Synthetic Creature, Armor and Speed and Power for Industry
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Inpaint by Numbers
A Better Defense
Far-Out Physics
Digestive Decoys
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Fat Side of the Moon
Fido's Transmissible Tumor
Cotton-Picking Results
That Way Lies Confusion
Womb Woes
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The New Age of Wireless
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Scientists on Religion
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Darwin on the Right
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Drawing to an Inside Flush
- 50, 100 & 150 Years Ago
Synthetic Creature -- Armor and Speed -- Power for Industry
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Let There Be Light
- In Brief
Brief Points, October 2006
Data Points: Dust Devil
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To Serve Man
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Steady Cam
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Fiddling While the Planet Burns
