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279,031 articles from PhysOrg

Parent-adolescent cell phone conversations reveal a lot about the relationship

The nature of cell phone communication between a parent and adolescent child can affect the quality of their relationship, and much depends on who initiates the call and the purpose and tone of the conversation, according to an illuminating study reported online in Cyberpsychology, Behavior, and Social Networking, a peer-reviewed journal published by Mary Ann Liebert, Inc.

Royal College of Art student make a 3D printer that focuses the light of the sun

(PhysOrg.com) -- 3D printing has been around for a few years. If you hooked it up to a solar panel you could make it work with the sun, but still would not be as cool as doing it the way that Markus Kayser, a MA student at the Royal College of Art, has gone about it. He has create a 3D printing machine that is able to focus the rays of the sun through a glass ball with enough intensity that it can...

Study reveals possible brain damage in young adult binge-drinkers

It's considered a rite of passage among young people – acting out their independence through heavy, episodic drinking. But a new University of Cincinnati study, the first of its kind nationally, is showing how binge drinking among adolescents and young adults could be causing serious damage to a brain that's still under development at this age.

The promise of stem cell-based gene therapy

Sophisticated genetic tools and techniques for achieving targeted gene delivery and high gene expression levels in bone marrow will drive the successful application of gene therapy to treat a broad range of diseases. Examples of these cutting-edge methods are presented in a series of five provocative articles in the latest issue of Human Gene Therapy.

Wildlife surviving conflict in Afghanistan

A new survey conducted by WCS scientists, supported by the U.S. Agency for International Development (USAID), reveals that large mammals, including Asiatic black bears, gray wolves, markhor goats, and leopard cats are surviving in parts of Afghanistan after years of conflict.

Alcohol drinking in the elderly: Risks and benefits

The Royal College of Psychiatrists of London has published a report related primarily to problems of unrecognized alcohol misuse among the elderly. The report provides guidelines for psychiatrists and family physicians on how to find and how to treat elderly people with misuse of alcohol and drugs. Forum members consider it very important to identify abusive drinking among the elderly and this...

Court: Calif. can't ban violent video game sales

(AP) -- The Supreme Court on Monday refused to let California regulate the sale or rental of violent video games to children, saying governments do not have the power to "restrict the ideas to which children may be exposed" despite complaints about graphic violence.

Engineering blue-hued flowers

Flower color in plants is determined by pigments such as aurones, anthocyanins, and carotenoids. Research has found that the ultimate color displayed is dependent not only on the pigment present, but also on other factors, including cell shape, presence of metal ions, and pH, among others. Information about the role of pH in creating color has allowed plant geneticists to engineer new hues, adding...

Hearing may be end of road for breast cancer drug

(AP) -- The best-selling cancer drug in the world comes under federal scrutiny once again this week, as drugmaker Roche makes a last-ditch effort to keep Avastin approved for breast cancer, despite evidence that it is ineffective against the disease.

Helping preterm babies get the best start

Babies born prematurely could be at greater risk of developing kidney diseases later in life according to a landmark study investigating the impacts of preterm birth on kidney development.