Popular Science articles about Mathematics & Economics

BRETT is shown here learning how to screw a cap onto a water bottle.

Researchers examine the dangers bubbling up from hookah steam stones

An analysis led by Amberlie Clutterbuck, a doctoral student in the UC Department of Chemistry, found residues of toxic metals that included chromium, arsenic and cadmium following several simulated hookah/steam stones smoking scenarios.New research suggests the use of hookah steam stones -- commonly considered a safer alternative to cigarette smoking -- could be leaving users with a dangerous, false sense of security....

UW researchers hack a teleoperated surgical robot to reveal security flaws

UW reseachers mounted cyberattacks while study participants used the Raven II surgical robotic system to move rubber blocks on a pegboard.To make cars as safe as possible, we crash them into walls to pinpoint weaknesses and better protect the people who use them.

Could mobile phone data help bring electricity to the developing world?

Left: Current level of electrification in Senegal Right: Recommended electrification options based the analysis of mobile phone data. (MV: medium-voltage, PV: photovoltaics).Lack of quality demographic data is a major obstacle to infrastructure planning in the developing world. In a recent study, a team of researchers from the Santa Fe Institute in...

Fishermen, communities need more than healthy fish stocks

A typical day at the fish market in Dakar, Senegal.The Alaska salmon fishery is touted as one of the best in the world. When measured with an ecological yardstick, it is -- fish stocks are healthy and the fishery...

New centimeter-accurate GPS system could transform virtual reality and mobile devices

Researchers in the Cockrell School of Engineering at The University of Texas at Austin have developed a centimeter-accurate GPS-based positioning system that could revolutionize geolocation on virtual reality headsets, cellphones...

Sustainability progress should precede seafood market access, researchers urge

Demand for seafood from wild fisheries and aquaculture around the world has nearly doubled over the past four decades. In the past several years, major retailers in developed countries have...

Patents forecast technological change

How fast is online learning evolving? Are wind turbines a promising investment? And how long before a cheap hoverboard makes it to market?

How are ordinary consumers transforming the fashion business?

One of the most important shifts of the 21st century is the ability of consumers to participate in markets they love such as music and fashion. A new study in...

Study maps development 1 county at a time

Dr. Giorgos Mountrakis of ESF is pictured.Researchers at the SUNY College of Environmental Science and Forestry (ESF) have developed a county-by-county map of the United States' "lower 48" that tells a story of land cover and...

The Lancet: Obesity Series exposes 'unacceptably slow' progress in tackling soaring global obesity rates over last decade: Global failure to tackle obesity epidemic demands new ways of thinking, say leading experts

Global progress towards tackling obesity has been "unacceptably slow," with only one in four countries implementing a policy on healthy eating up to 2010, according to a major new six-part...

Controlling swarms of robots with a finger

A human operator can touch the screen in multiple locations to control the light and the robots.Using a smart tablet and a red beam of light, Georgia Institute of Technology researchers have created a system that allows people to control a fleet of robots with the...

Object recognition for free

Object recognition -- determining what objects are where in a digital image -- is a central research topic in computer vision.

Baiting the hook

Luring longtime and new customers to try online shopping, and retaining them in a competitive and crowded marketplace, is the challenge of the day for established offline retailers. A study...

UW mapping app turns art into a sharable walking route

The Trace app allows you to share the walk with a friend.Creative athletes have been using geographic information systems to transform their running routes into kangaroos, robots and other works of art that they share online, and one romantic cyclist last...

New report: Forests could be the trump card in efforts to end global hunger

A child's daily requirement for vitamin A can be met by around 25 g of a deep orange-fleshed mango variety.About one in nine people globally still suffer from hunger with the majority of the hungry living in Africa and Asia. The world's forests have great potential to improve their...

Good things in store for retailers

Shopping online or in catalogs is great for many reasons: to while away time on a snowy day; to avoid the holiday crush at the local mall; to do ultra-efficient...

New genetic test will improve biosecurity of honey bees around the globe

A genetic test that can prevent the entry of 'killer' bees into Australia and their spread around the world has been created by researchers at the University of Sydney and...

Graphics in reverse

Most recent advances in artificial intelligence -- such as mobile apps that convert speech to text -- are the result of machine learning, in which computers are turned loose on...

The brain in the supermarket

Say you're out shopping for basic household goods -- perhaps orange juice and soup. Or light bulbs. Or diapers for your young child. How do you choose the products you...

Does your password pass muster?

"Create a password" is a prompt familiar to anyone who's tried to buy a book from Amazon or register for a Google account. Equally familiar is that red / yellow...

State funding boosts stem cell research in California, other states

When federal funding regulations created limitations on human embryonic stem cell research, several states created their own funding programs. A new study analyzed stem cell funding programs in four states...

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