Popular Science articles about Mathematics & Economics

Second Life data offers window into how trends spread

Do friends wear the same style of shoe or see the same movies because they have similar tastes, which is why they became friends in the first place? Or once a friendship is established, do individuals influence each other to...

Wagner's 'difficult' reputation unwarranted says research

The composer Richard Wagner is well-known, even notorious, for writing operas that can challenge both performers and listeners. A new study published in the Journal of the Acoustic Society of...

Recent news reports of sweetener reformulations raise questions about motivations

The misleading "health" halo surrounding highly-publicized marketing campaigns regarding sweetener reformulations is starting to dim.

Taxpayer Alliance applauds bill to broaden access to federal research results

Senators Joseph Lieberman (I-CT) and John Cornyn (R-TX) today introduced the Federal Research Public Access Act (FRPAA), a bill to ensure free, timely, online access to the published results of...

Immigration makes Spanish pensions system more sustainable

Immigration makes Spanish pensions system more sustainable.Researchers from the University of Valladolid have constructed a demographic and economic simulation model called 'Carrión', which projects the costs of pensions, Social Security contributions and GDP up until 2060....

New data show jump in science and engineering graduate study

New data show that enrollment in U.S. science and engineering (S&E) graduate programs in 2007 grew 3.3 percent over comparable data for 2006--the highest year-over-year increase since 2002 and nearly...

Iowa State University researcher looks at the future of agriculture

Dramatic price fluctuations, increasing demand, the food vs. fuel debate, and other events of the past year may have food producers wondering which way is up.

New detectors for nuclear, radiological material in cargo should not be acquired until testing deficiencies fixed, cost-benefit analysis completed

A thorough cost-benefit analysis that includes an assessment of meaningful alternatives is needed to reveal the potential security advantages of deploying new detector systems to screen cargo for nuclear and...

Experts: Big Tobacco dead by 2047, possibly sooner

President Barack Obama's signature on a bill this week to grant the Food and Drug Administration (FDA) regulatory authority over tobacco was historic, and represents a step in the march...

Notre Dame study describes evidence of world's oldest known granaries

A new study coauthored by Ian Kuijt, associate professor of anthropology at the University of Notre Dame, describes recent excavations in Jordan that reveal evidence of the world's oldest know...

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Campaign survey: Dems exploit new individual donor advantage and superior voter mobilization

Candidates, political party committees and interest groups all raised and spent more money in 2007-08 than in any previous election cycle, according to a major new report from the Center...

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Research output in developing countries reveals 194 percent increase in five years

The partners of Research4Life announced today at the World Conference of Science Journalists 2009 that a new research impact analysis has demonstrated a dramatic rise in research output by scientists in the developing world since 2002. By comparing absolute growth...

Zooming in to catch the bad guys

Professor Leonid Yaroslavsky is a researcher at Tel Aviv University.It's a frequent scene in television crime dramas: Clever police technicians zoom in on a security camera video to read a license plate or capture the face of a hold-up...

Stanford researchers publish comprehensive model for medical device development

In an effort to increase understanding of the medical device development process and help companies execute the bench-to-bedside process of product development more effectively, researchers at Stanford University have published...

Projected food, energy demands seen to outpace production

With the caloric needs of the planet expected to soar by 50 percent in the next 40 years, planning and investment in global agriculture will become critically important, according a...

Online ethics and the bloggers' code revealed

Los Angeles, London, New Delhi, Singapore and Washington DC (June 25, 2009) – Whatever their reason for posting their thoughts online, bloggers have a shared ethical code, according to a...

Roadsters embrace green racing

Fast and green. That's what it takes to get to the winner's circle in a new type of auto racing.

Study on keeping nuclear bombs from US ports shows misplaced fear over cargo scanning cost

A two-tiered scanning-protocol for inspecting all containers at international ports could be the most affordable approach to ensuring containers moving through the global transportation system are not carrying nuclear bombs,...

Programming tools facilitate use of video game processors for defense needs

Mark Richards (left), Daniel Campbell (center) and Andrew Kerr are using graphics processing units (GPUs) to quickly perform linear algebra and signal processing operations for defense applications.Video gaming computers and video game consoles available today typically contain a graphics processing unit (GPU), which is very efficient at manipulating and displaying computer graphics. However, the unit's highly...

New publication shows index insurance has potential to help manage climate risks and reduce poverty

Climate has always presented a challenge to farmers, herders, fishermen and others whose livelihoods are closely linked to their environment, particularly those in poor areas of the world. A type...

300 billion weather forecasts used by Americans annually, survey finds

Consulting a weather forecast can help avoid the surprise of a rain storm.Close to 9 out of 10 adult Americans obtain weather forecasts regularly, and they do so more than three times each day on average, a new nationwide survey by scientists...

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Carnegie Mellon algorithm charts evolution of genetic networks during fruit fly life cycle

A new algorithm developed by Carnegie Mellon University computer scientists has revealed for the first time how genetic networks in the fruit fly, Drosophila melanogaster, evolve during the insect's life...

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