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Dartmouth professor finds that iconic Oswald photo was not faked

Dartmouth Computer Scientist Hany Farid has new evidence regarding a photograph of accused John F. Kennedy assassin Lee Harvey Oswald. Farid, a pioneer in the field of digital forensics, digitally analyzed an iconic image of Oswald pictured in a backyard...

A new system preserves the right to privacy in Internet searches

A new system preserves the right to privacy in Internet searches.A team of Catalan researchers has developed a protocol to distort the user profile generated by Internet search engines, in such a way that they cannot save the searches undertaken...

An inexpensive 'dipstick' test for pesticides in foods

An experimental test strip shows a visible color change indicating the presence of pesticides in a test sample. In the future, similar strips may help detect these hidden toxins in foods and beverages.Scientists in Canada are reporting the development of a fast, inexpensive "dipstick" test to identify small amounts of pesticides that may exist in foods and beverages. Their paper-strip test is...

Frequent flower buyers seek product variety

Florists and other retailers who sell flowers and plants can now add another tool to their marketing kit. A recent study of "consumption values" may help them understand what influences...

Conserving historic apple trees

Apple trees still stand in the historic Chase Ranch orchard, planted by the Chase family circa 1870 near Cimarron, N.M.The apple trees of yesteryear are slowly disappearing. Many apple varieties common in the United States a century ago can no longer be found in today's orchards and nurseries. But...

Queen's research could help protect frontline troops

A team of researchers at Queen's University Belfast's Centre for Secure Information Technologies (CSIT) is working to develop futuristic communications systems that could help protect frontline troops.

Protecting your virtual privacy

Dr. Michael Birnhack is a member of Tel Aviv University's Faculty of Law.The details of your personal life, such as grocery purchases and pizza topping preferences, are collected every day ― online and by club and discount cards from the gym, department...

Research leads to improved human, object detection technology

Tony Han and his research team attended the PASCAL grand challenge in object detection and won first place in detection for potted plants and chairs and second place in detection for humans, cars, horses and bikes.When searching for basketball videos online, a long list of websites appears, which may contain a picture or a word describing a basketball. But what if the computer could search...

History in 3-D

Virtual archive for works of art from all over the world: Objects will be reproduced three-dimensionally.This press release is available in German.

Modified Bluetooth speeds up telemedicine

A telemedicine system based on a modified version of the Bluetooth wireless protocol can transfer patient data, such as medical images from patient to the healthcare provider's mobile device for...

Experts favor broad medicare reforms to control costs and foster health-care innovations

A vast majority of leaders in health care and health policy believe Medicare has been successful in providing access to care and stable coverage to the elderly and disabled individuals;...

TV bombards children with commercials for high-fat and high-sugar foods

Childhood obesity in the United States is reaching epidemic proportions. With more than one fourth of advertising on daytime and prime time television devoted to foods and beverages and continuing questions about the role television plays in obesity, a study...

Breeding better broccoli

Carotenoids—fat-soluble plant compounds found in some vegetables—are essential to the human diet and reportedly offer important health benefits to consumers. Plant carotenoids are the most important source of vitamin A...

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Carnegie Mellon researchers receive grant

Carnegie Mellon University's Lucio Soibelman, H. Scott Matthews and Jose M.F. Moura received a three-year $1.5 million grant from the National Science Foundation (NSF) to identify inexpensive ways to track...

Tension on the grapevine

Trellis Tension Monitoring (TTM) assembly (center) in line with the main trellis wire in a wine grape vineyard. The row in the background also contains a TTM assembly (toward right). The metal post supports the vine at the left edge of the photo and is a normal part of this trellis system.Predictions of grape yields are extremely important to juice processors and wineries; timely and precise yield forecasts allow producers to plan for harvest and move the highly perishable grape crop...

NIST test proves 'the eyes have it' for ID verification

These compressed iris images from the IREX I test illustrate why the JPEG format did not meet the test criteria. The JPEG 2000 format (top) retains its quality after compression for storage and transmission, while the JPEG format (bottom) becomes pixilated when reduced the same amount.The eyes may be the mirror to the soul, but the iris reveals a person's true identity—its intricate structure constitutes a powerful biometric. A new report by computer scientists at...

Laser etching safe alternative for labeling grapefruit

This image shows laser etching on lemons and limes.Laser labeling of fruit and vegetables is a new, patented technology in which a low-energy carbon dioxide laser beam is used to label, or "etch" information on produce, thereby eliminating...

Industry support of academic life science research may be dropping

While more than half the academic life science researchers responding to a 2007 survey indicated having some relationship with industrial entities, the prevalence of such relationships – particularly direct funding...

Hooks hijacked? New research shows how to block stealthy malware attacks

The spread of malicious software, also known as malware or computer viruses, is a growing problem that can lead to crashed computer systems, stolen personal information, and billions of dollars...

New theory on fairness in economics targets CEO pay

Venkat Venkatasubramanian, a professor of chemical engineering, displays some of the mathematics behind his new theory to determine fair CEO pay.Chief executives in 35 of the top Fortune 500 companies were overpaid by about 129 times their "ideal salaries" in 2008, according to a new type of theoretical analysis proposed...

Pecan trees benefit from thinning technique

Mechanical thinning of pecan trees is shown using a tree shaker with a hydraulic shaker head.Pecan trees, like many fruit trees, have a tendency to bear fruit in cycles, producing a large crop in one or two years, followed by one or two years with...

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Reflective film can boost profits for apple growers

Solar films shown applied to the orchard floor improved fruit size and color in Gala apples.In a research report published in a recent issue of HortTechnology, scientists Ignasi Iglesias and Simó Alegre examined the effects of covering orchard floors with reflective films on fruit color,...

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