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19335
I have a real problem with the way that the so-called robot-designed robot is described in this article. I used to do large-scale manufacturing automation, and I consider what is being done a parlor trick. There are only two things that could be called “robotic” in the system: The computer-aided manufacturing machinery that built the […]
By Science News -
TechRobots making robots, with some help
A new type of robotic system that designs and produces robotic offspring may represent a first step toward self-replicating "artificial life."
By Peter Weiss -
ComputingGoing to digital extremes
A researcher designs the ultimate laptop, stretching the laws of physics to their limits to achieve blazing computation rates.
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EarthBt corn pollen can hurt monarchs
A second test of a strain of corn genetically engineered to make its own insecticide finds potential for harm to monarch butterfly caterpillars.
By Susan Milius -
EcosystemsVirtual skylarks suffer weed shortfall
A new mathematical model raises the concern that switching to transgenic herbicide-tolerant crops could deprive birds of weed seeds.
By Susan Milius -
ArchaeologyMaya palace suddenly expands
Archaeologists find a sprawling palace and other surprises at a 1,300-year-old Maya site in Guatemala.
By Bruce Bower -
19265
Regarding this article, the challenge is how to increase the anomalous risk perceptions of white males. Their low risk perception may lead to higher use of cigarettes and other addictive drugs, lower use of condoms to prevent sexually transmitted diseases, driving at unsafe speeds and while intoxicated, poor eating practices, higher use of guns, and […]
By Science News -
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EarthHigh-Flying Science, with Strings Attached
In the hands of scientists, kites do serious data gathering.
By Sid Perkins -
19334
In your article about the use of kites for science, we are told that Antarctica is “[m]ore than half a world away from Kansas.” I know a shorter route. It’s a round, round world, after all! Marvin E. Kahn Darnestown, Md.
By Science News -
HumansPostdocs warrant more status and support
A new study finds a pressing need to improve the pay and status of postdoctoral scholars.
By Janet Raloff -
EarthSmall quake shakes up hydrothermal vents
Long-term, post-earthquake fluctuations in the temperature and volume of water spewing from hydrothermal vents off the coast of Washington state suggest that the fluid flow feeding such vents may be much more complex than previously thought.
By Sid Perkins