In the News
What Makes Quantum Dots Blink?
In order to learn more about the origins of quantum dot blinking, researchers have developed a method to characterize it on faster time scales than have previously been accessed. Nanocrystals of semiconductor material, also known as quantum dots, are being intensively investigated for applications such as light-emitting diodes, solid-state lighting, lasers, and solar cells. Studies Of Population Genetics, Evolution Are An Exercise In Bad Taste
Scientific studies of why foods such as Brussels sprouts and stout beer are horribly bitter-tasting to some people but palatable to others are shedding light on a number of questions, from the mechanisms of natural selection to understanding how our genes affect our dietary habits. Pew Center on Global Climate Change
Features a collection of reports on the effects of climate change on the Earth, including topics such as "Comparison of Passenger Vehicle Fuel Economy and Greenhouse Gas Standards"and "The Day After Tomorrow: Could it Really Happen?"Also includes background information on global warming and updates on actions taken by governments and the business community. Some information available in French, German, and Spanish. Searchable. Teen Tooth Trauma Prevalent In Ontario
Nearly one in five Ontario Grade 8 students shows evidence of damage to his or her front teeth, says a new University of Toronto study. A Voluminous New MyBook
Western Digtial's latest external drive tops out at one terabyte. In Gear Factor. Overeating And Obesity Triggered By Lack Of One Gene
Neuroscience researchers demonstrate for the first time that brain-derived neurotrophic factor is an essential component of neural circuits which regulate body weight in adult mice and that its expression in two particular brain regions is required to suppress appetite. Yotophoto
"Yotophoto is a search engine for free-to-use stock photographs ... "It indexes "various sources of free imagery on the web including Flickr, Wikipedia, Stock.Xchng, Morguefile, Pixelperfect Digital and OpenPhoto."It only indexes photographs. "Other image types like maps, graphics, illustrations, 3D renderings, charts and the like are not indexed at this time."Browsable by tag, or searchable by word and by color of image. Apple's Not 'Bricking' Hacked IPhones for Revenge
When a software update turns tweakers' precious iPhones into useless paperweights, some speculate that noted perfectionist Steve Jobs is targeting hackers. The reality is that the iPhone itself is a hack. Commentary by Leander Kahney. Patients Who Stop Using Statins After Stroke Increase Risk Of Death
Patients who stop taking cholesterol-lowering drugs within a year of surviving a stroke had a two-fold increased risk of death, researchers reported in Stroke: Journal of the American Heart Association. Statins can benefit patients who have suffered an ischemic stroke (caused by a clot). However, stroke survivors often stop taking these drugs. Teens and Technology: Youth Are Leading the Transition to a Fully Wire
This July 2005 report finds that the "number of teenagers using the internet has grown 24%in the past four years and 87%of those between the ages of 12 and 17 are online,"and that "the variety of technologies that teens use to support their communication, research, and entertainment desires has grown."Includes the text of the report and the underlying questionnaire. From the Pew Internet &American Life Project.
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