871,060 articles

Scaling up polymer blobs

Scientists use simulations to test the limits of their object of study—in this case thin films of polymers—to extremes of scale. In a study¹ about to be published in the European Physical Journal E, Nava Schulmann, a researcher at Strasbourg University, France, and colleagues use a well-known model capable of providing information on heat and mechanical energy exchange between these polymer...

Scientists bring the heat to refine renewable biofuel production

(Phys.org)—Perhaps inspired by Arizona's blazing summers, Arizona State University scientists have developed a new method that relies on heat to improve the yield and lower the costs of high-energy biofuels production, making renewable energy production more of an everyday reality.

Speed of ocean acidification concerns scientists

Speaking at the Third International Symposium on the Ocean in a High-CO2 World this week in Monterey, California, Dr Daniela Schmidt, a geologist from the University of Bristol, warned that current rates of ocean acidification are unparalleled in Earth history.

Study examines forest vulnerability to climate change

(Phys.org)—Mid-elevation forests - those between approximately 6,500 to 8,000 feet (1,981 to 2,438 meters) in elevation - are the most sensitive to rising temperatures and changes in precipitation and snowmelt associated with climate change, finds a new University of Colorado Boulder-led study co-funded by NASA. The study looked at how the greenness of Western U.S. forests is linked to...

10 Reasons to Do What You Love for a Living

You've heard this career mantra before:  Do what you love and the money will follow. But as any aspiring poet or starving artist can tell you, it just isn't that easy. Finding a way to do what you love and still make enough money to support a family can be a real challenge. Still, many experts say finding a way to follow your career bliss is worth the effort.

Scientists find way to control sugars

Scientists have found that the intestinal enzymes responsible for processing starchy foods can be turned on and off, helping to better control those processes in people with Type 2 diabetes.

Wireless Technology NFC Still Has a Ways To Go

In ads comparing its Galaxy S III with the iPhone 5, Samsung is claiming superiority for features its flagship handset has that Apple's smartphone lacks. NFC is on the list. Never mind that very few people even know what NFC means in this context -- hint: It has nothing to do with the National Football Conference of the NFL -- much less whether they'll benefit by having it, or somehow miss the...

Driverless Cars Bill Signed by California Governor

Gov. Jerry Brown signed legislation Tuesday that will pave the way for driverless cars in California. The bill by Democratic Sen. Alex Padilla will establish safety and performance regulations to test and operate autonomous vehicles on state roads and highways. The governor signed it at the Mountain View headquarters of Google Inc., which has been developing autonomous car technology and...

Yahoo CFO Out as CEO Draws Up Turnaround Plan

Yahoo CEO Marissa Mayer is casting aside a cost-cutting specialist and bringing in software industry veteran Ken Goldman to be chief financial officer as the Internet company's management orchestrates a potentially expensive turnaround attempt. The departure of CFO Tim Morse, announced Tuesday, isn't a shock. After joining a company, new CEOs often reshuffle senior executives while trying to...

Popular HIV drug may cause memory declines

The way the body metabolizes a commonly prescribed anti-retroviral drug that is used long term by patients infected with HIV may contribute to cognitive impairment by damaging nerve cells, new research suggests.

Daily-Deal Model Tweaked as Novelty Fades

Investors have turned skeptical on Groupon, growth has slowed, and hundreds of would-be competitors have disappeared from the crowded daily-deal landscape, but that doesn't mean a fadeout to the era of the discounted restaurant meal or manicure. Nearly four years after Groupon introduced the concept, smaller rivals that had sought to replicate the Chicago giant's early, explosive success are...

Celebrities To Play Words With Friends for Charity

Look out, Alec Baldwin. Edward Norton, Jonah Hill, Snoop Dogg and several other stars are slated to play in a celebrity tournament of the popular online game "Words With Friends" for charity. The celebs will begin facing off against each other in matches of Zynga's Scrabble-like word-building game on Thursday. Norton, who is playing for the Maasai Wilderness Conservation Fund, is confident that...

Some Text on Car Dashboards Distracts More than Others

Text size and type font used in dashboard displays may be overlooked culprits in distracted driving. Changing the typefaces on displays reduced the amount of time male drivers looked away from the road by nearly 11% in two experiments, according to the study by researchers at the Massachusetts Institute for Technology and the New England University Transportation Center. That difference in...

Lightning Still Largely a Mystery

Some 44,000 thunderstorms rage worldwide each day, delivering as many as 100 lightning bolts to the ground every second. These dramatic, deafening flashes of electricity recharge the global battery by keeping the ground flush with negative electric charge and maintaining the ionosphere's positive charge. Lightning turns the Earth into an electric circuit, and it may have even delivered the...