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Light control technique could lead to tunable lighting and displays

(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability to be printed on flexible substrates. A lesser known alternative to OLEDs, which has these advantages plus some additional ones such as low turn-on voltage, is electrochemical light-emitting cells (LECs).

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Keeping Your Ego in Check

John Vechey, co-founder of PopCap Games, talks about the importance of trusting employees that are smarter than you at the Inc. 500|5000 Conference. What happens when you disagree with the person you've appointed to lead your company

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New physics?

Radioactive decay – a random process right? Well, according to some – maybe not

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Moving Trees Helps Prepare for Climate Change

Foresters need to take a proactive approach to keeping their forests climate-ready, says the author of two studies on assisted migration in the forests of the Canadian province of Alberta.

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Hair of the Bear: Fur Samples Yield Insights into Grizzlies’ Salmon Dependence [Slide Show]

Editor's note: This slide show is part of a four-part series that Anne Casselman, a freelance writer and regular contributor to Scientific American , reported in early June during a rare opportunity to conduct field reporting on grizzly bears in Heiltsuk First Nation traditional territory in British Columbia. For a first-person reflection on her experience there, click here .

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Bad bug: Gonorrhea strain resists all drugs

For several years, public health officials have been concerned that gonorrhea, one of the most prevalent STDs in the world, might become resistant to the last widely available antibiotic used to treat it. Now, it has.

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Hippie days: How a handful of countercultural scientists changed the course of physics in the 1970s

Every Friday afternoon for several years in the 1970s, a group of underemployed quantum physicists met at Lawrence Berkeley Laboratory, in Northern California, to talk about a subject so peculiar it was rarely discussed in mainstream science: entanglement. Did subatomic particles influence each other from a distance? What were the implications?

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Why Johnny Can’t Name His Colors (preview)

Subject 046M, two years old, was seated nervously across from me at the table, his hands clasped tightly together in his lap. He appeared to have caught an incurable case of the squirms. I resisted the urge to laugh and leaned forward, whispering conspiratorially.

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Flexjet Leads the Way to Recovery

During the last several years of financial turbulence, the private aviation industry has reevaluated its business approach in order to maintain its appeal to the consumer.

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Deadly forest fire leads to resurrection of endangered tree

In 2009 six weeks of wildfires in Victoria, Australia, killed 173 people and injured hundreds more, but the fires may have also led to the resurrection of a rare tree that was previously on a path to extinction. Only about 670 Buxton silver gum trees ( Eucalyptus crenulata ) were left in the wild before the devastating Black Sunday bushfires , and they weren't healthy

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Do you have a question for Elizabeth Berkley?

If you're a teen 13 or older and have ever asked yourself why the ups and downs of friendships are so hard; if you've ever looked in the mirror and hated what you saw; if you've ever gone through a horrible breakup and wondered how you'll make it through… guess what? You're not alone

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