Popular Science articles about Mathematics & Economics

Surprising new University of Vermont research finds that outbreaks by the mountain pine beetle and western spruce budworm can actually reduce wildfire severity.

Scientists invent robotic 'artist' that spray paints giant murals

Wojciech Jarosz, an assistant professor of computer science at Dartmouth College, and his collaborators invented a 'smart' paint spray can that robotically reproduces photographs as large-scale murals.Robots do many things formerly done only by humans - from bartending and farming to driving cars - but a Dartmouth researcher and his colleagues have invented a "smart" paint...

Existing state laws collectively require a 50 percent increase in US renewable electricity

This image shows RPS-Driven Renewables Capacity Growth (left) and Residual RPS Demand (right).State renewables portfolio standards, known as RPS policies, have contributed to more than half of all renewable electricity growth in the United States since 2000. Most state RPS requirements will...

NREL raises rooftop photovoltaic technical potential estimate

Analysts at the Energy Department's National Renewable Energy Laboratory (NREL) have used detailed light detection and ranging (LiDAR) data for 128 cities nationwide, along with improved data analysis methods and...

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Study: State-level public corruption affects firm value, transparency

Dr. Steven Xiao is an assistant professor of finance in the Naveen Jindal School of Management at UT Dallas.State-level public corruption in the United States affects firms' value and disclosure policies, according to a new study from The University of Texas at Dallas.

University of Leicester mathematicians provide solution to 78 year old mystery

In previous research, it was suggested that adaptation of an animal to different factors looks like spending of one resource and that the animal dies when this resource is exhausted....

System lets Web users share aspects of their browsing history

Researchers at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) have developed a new system that allows Web users to share self-selected aspects of their online activity with their friends...

In emergencies, should you trust a robot?

Georgia Tech researchers built the 'Rescue Robot' to determine whether or not building occupants would trust a robot designed to help them evacuate a high-rise in case of fire or other emergency.In emergencies, people may trust robots too much for their own safety, a new study suggests. In a mock building fire, test subjects followed instructions from an "Emergency Guide Robot"...

School buildings designed as 'teaching green' can lead to better environmental education

"Teaching green" schools often feature outdoor hallways, which save thousands annually in heating and cooling costs.The energy used to create electricity to power lights, heating and air conditioning, and appliances within buildings causes nearly 50 percent of all fossil fuel emissions in the United States....

Visualizing the emotional power of music

Musical styles and genres differ around the world, but the emotional power of music is universally felt. To understand this evocative force, researchers in many fields, including information science, neural...

Feeding a city with better food sources

Michigan State University public health expert, Rick Sadler, has been mapping out areas of Flint that have had almost no access to healthier food options and evaluating solutions that could help remedy the problem.Access to clean water hasn't been the only health issue facing Flint.

The future is here: Interactive screens on your packages

Scientists develop new way of attaching electronic screens to paper-based packaging Screens can display simple messages to customers Development could revolutionize packaging industry worth billions of dollars

UW team stores digital images in DNA -- and retrieves them perfectly

All the movies, images, emails and other digital data from more than 600 basic smartphones (10,000 gigabytes) can be stored in the faint pink smear of DNA at the end of this test tube.Technology companies routinely build sprawling data centers to store all the baby pictures, financial transactions, funny cat videos and email messages its users hoard.

How network effects hurt economies

When large-scale economic struggles hit a region, a country, or even a continent, the explanations tend to be big in nature as well.

Number of science and engineering graduate students up in 2014

The number of science and engineering graduate students at U.S. academic institutions rose by 3 percent between 2013 and 2014, owing largely to a 13.1 percent increase in foreign graduate...

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Voice-controlled nutrition tracker may aid weight loss

For people struggling with obesity, logging calorie counts and other nutritional information at every meal is a proven way to lose weight. The technique does require consistency and accuracy, however,...

57 different pesticides found in poisoned honeybees

European honeybees are being poisoned with up to 57 different pesticides, according to new research published in the Journal of Chromatography A. A new method for detecting a whole range...

Fuel or food? Study sees increasing competition for land, water resources

As strategies for energy security, investment opportunities and energy policies prompt ever-growing production and consumption of biofuels like bioethanol and biodiesel, land and water that could otherwise be used for...

Building living, breathing supercomputers

Protein molecules travel around the circuit, forced in certain directions in directed ways, a bit like cars and trucks travelling through a city to arrive at desired results.The substance that provides energy to all the cells in our bodies, Adenosine triphosphate (ATP), may also be able to power the next generation of supercomputers. That is what an...

Can virtual reality help fight obesity?

<i>Cyberpsychology, Behavior, and Social Networking</i> is an authoritative peer-reviewed journal published monthly online with Open Access options and in print that explores the psychological and social issues surrounding the Internet and interactive technologies.  Complete tables of contents and a sample issue may be viewed on the <i>Cyberpsychology, Behavior, and Social Networking</i> website.Virtual reality offers promising new approaches to assessing and treating people with weight-related disorders, and early applications are revealing valuable information about body image. The advantages of virtual reality (VR)...

A stake in innovation

Want to encourage innovation? A new study co-authored by an MIT professor finds that little-known state laws called "constituency statutes" have significant effects on the quantity and quality of innovative...

This is what a wasp sees to learn the way home

This photograph shows a ground-nesting wasp (<i>Cerceris arenaria</i>) approaching her nest.When ground-nesting wasps leave their nests each day, they turn back toward home before flying along a series of ever-increasing arcs. While the insects gain height and distance, their attention...

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