الأحد، 13 نوفمبر 2011

ScienceDaily: Top News

ScienceDaily: Top News

Depression in young people increases risk of heart disease mortality

Posted: 11 Nov 2011 12:22 PM PST

The negative effects of depression in young people on the health of their hearts may be stronger than previously recognized. Depression or a history of suicide attempts in people younger than 40, especially young women, markedly increases their risk for dying from heart disease.

Chemistry: New insight into 100-year-old Haber-Bbosch process of converting nitrogen to ammonia

Posted: 11 Nov 2011 12:22 PM PST

New research has resulted in a greater understanding of how the Haber-Bosch process converts nitrogen to ammonia.

Researching graphene nanoelectronics for a post-silicon world

Posted: 10 Nov 2011 06:48 AM PST

Copper's days are numbered, and a new study could hasten the downfall of the ubiquitous metal in smart phones, tablet computers, and nearly all electronics. This is good news for technophiles who are seeking smaller, faster devices. Researchers have discovered that they could enhance the ability of graphene to transmit electricity by stacking several thin graphene ribbons on top of one another.

Discussions of guns in the home part of comprehensive preventive health care

Posted: 10 Nov 2011 06:48 AM PST

A new article reviews research about and analyzes available data around firearm injuries and prevention, and argues the importance of including firearm safety as part of physician-patient preventive care conversations.
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