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Contents
- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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Contents
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
- Why a tornado forms: Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
- A mind for math: A part of the brain associated with making memories may also predict success in learning math
Computers
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A new mathematical model of the Internet shows that it may not be as vulnerable to centralized attacks as previous research suggested.
PNAS
- Ant teamwork suggests models for computing faster and organizing better.
- Hitting fundamental limits on how small they can make certain structures within semiconductor transistors, chip makers are deforming the silicon crystals from which those transistors are made to eke out some extra speed.
- A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding.
- A tiny traffic island for electrons promises to serve as an extraordinarily sensitive detector of magnetic fields.
- A researcher designs the ultimate laptop, stretching the laws of physics to their limits to achieve blazing computation rates.
- A quantum computation involving a custom-built molecule furnishes experimental evidence that a quantum computer can solve certain mathematical problems more efficiently than can a conventional computer.
- By means of novel sensors and mathematical models, scientists are teaching the basics of human social interactions to computers, which should ease the ever-expanding collaboration between people and machines.
- A novel digital compression scheme may make it practical to transmit detailed models of three-dimensional surfaces over the Internet.
- A large network of powerful computers solved a 32-year-old optimization challenge known as the "nug30" quadratic assignment problem.
- Although the Internet's redundancy and diversity help it survive local node malfunctions despite its vast size and complexity, it is vulnerable to attacks aimed specifically at the most highly connected nodes.
- New, unconventional lenses shape scenes into pictures for computers, not people, so that computer-equipped microscopes, cameras, and other optical devices can see more with less.
- A novel way of converting computer programs into familiar-sounding music helps programmers locate errors in their code.
- The earliest known use of the term software to describe computer programs dates back to 1958.
- In early May, the malicious ILOVEYOU computer virus shut down hundreds of thousands of computers and caused several billion dollars in damage.
- The World Wide Web is less like a network of heavily interconnected superhighways and more like a jungle of one-way streets often leading to dead ends.
- A new method for gaze-operated, hands-free text entry is faster and more accurate than using an on-screen keyboard.
- A new mathematical procedure, or algorithm, picks out those members within a larger network—for instance, related sites on the World Wide Web—that have especially close ties.
- Thanks to sophisticated computer simulations of the laws of physics, spectacular special effects—plus a zoo of strange but real-looking creatures—increasingly enliven movie screens and computer-game consoles.
- The same communication system that brings you the Web page of your choice can be exploited to perform computations.
- By employing a novel computational strategy, researchers have mapped the electrical landscape of biological molecules made up of more than 1 million atoms.
- Several government efforts aim to give researchers access to computing power in the range of 12 trillion operations per second or more.
- Using an efficient infection strategy, a malicious programmer could deploy a rogue computer program far more voracious than the Code Red worm that struck on July 19.
- A novel computer program pinpoints proteins of troublesome bacteria.
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Not to miss
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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Three-part series on the scientific struggle to explain the conscious self
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