News
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ChemistryBuilding artificial cells from scratch
Scientists have created artificial cells that can live and produce proteins as their natural counterparts do, but can't replicate.
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TechThrifty trucks go with the flow
Forcing air through strategically placed slits on a tractor trailer results in a major boost in fuel economy.
By Peter Weiss -
EarthEarly Warning: United States to deploy 32 more buoys for sensing tsunamis
On Jan. 14, the Bush administration announced a $37.5 million program to expand the nation's tsunami-warning capabilities.
By Sid Perkins -
TechMicro Musclebot: Wee walker moves by heart cells’ beats
A new breed of mobile micromachine made of living heart tissue, gold, and silicon takes a step with each rhythmic contraction of its muscle cells.