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Science News for March 19, 2004


Behavioral symptoms may indicate increased smoking risk among adolescents

A study of 59 adolescents aged 12-14 found that those exhibiting aggressive and hyperactive behaviors were more likely to start smoking. The researchers suggest that identifying these behavioral symptoms could aid in the development of effective prevention programs for adolescent smokers.

SourceNIH/National Institute on Drug Abuse·JournalJournal of Child & Adolescent Substance Abuse·DateMar 19, 2004

Center to focus on entrepreneurial education as academic discipline

The University of Illinois is launching a center for entrepreneurial education as an academic discipline, with the goal of increasing practical skills and economic development. The Academy for Entrepreneurial Leadership Development will provide training for students and faculty, and create a scholarly database on entrepreneurship.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateMar 19, 2004
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Evolution's twist

A USC study found that human ancestors developed meat-tolerant genes to resist diseases associated with a meat-rich diet, leading to slower aging and longer lifespan. However, the researchers argue that modern-day humans' sedentary lifestyle and lack of moderation may be contributing factors to high cholesterol and vascular disease.

SourceUniversity of Southern California·JournalThe Quarterly Review of Biology·DateMar 19, 2004

Long-lasting medication shows promise for treatment of heroin addiction

A new long-acting form of buprenorphine has been shown to provide relief from heroin withdrawal symptoms and reduce the effects of test opioids for up to 6 weeks. This breakthrough treatment may increase patient engagement, ease treatment burden, and reduce the risk of misuse.

SourceNIH/National Institute on Drug Abuse·JournalDrug and Alcohol Dependence·DateMar 19, 2004

St. Jude shows how disorderliness in some proteins lets them interact with a diversity of molecules

The study found that protein p27 uses flexible arms to bind to the Cdk2-cyclin A complex, which is crucial for regulating cell division and preventing cancer. The researchers discovered how proteins like p27 can identify and bind to different types of complexes, allowing them to regulate various cellular processes.

SourceSt. Jude Children's Research Hospital·JournalNature Structural & Molecular Biology·DateMar 19, 2004
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Agriculture investment is the answer to sub-Saharan Africa in crisis

Sub-Saharan Africa must focus on expanding and intensifying smallholder agriculture backed by manufacturing exports to meet Millennium Development Goals. The region's agricultural growth has stagnated for 30 years, making it crucial to address practical challenges facing farmers and private investors.

SourceImperial College London·JournalOxford Development Studies·DateMar 19, 2004
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Buprenorphine may help those addicted to heroin and cocaine

A study found that buprenorphine significantly reduced cocaine and heroin use in individuals addicted to both drugs. Participants who received the highest dose of buprenorphine experienced a 95% decrease in cocaine metabolite levels, while those who received the lower dose saw a 92% decrease.

SourceNIH/National Institute on Drug Abuse·JournalClinical Pharmacology & Therapeutics·DateMar 19, 2004

Prevention program curbs drug abuse among middle-school youth

A randomized, controlled study found that a Project ALERT program significantly reduced new cigarette and marijuana use among seventh-grade students. The program modified student attitudes and behaviors toward alcohol, cigarettes, and marijuana, resulting in lower rates of binge drinking and overall alcohol abuse.

SourceNIH/National Institute on Drug Abuse·JournalAmerican Journal of Public Health·DateMar 19, 2004
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Parents need to listen to their teens before the teens will listen to them

Research found frequent demand/withdraw patterns in parent-adolescent communication linked to low self-esteem, high drug use, and poor health outcomes. Parents should focus on constructive strategies for dealing with everyday conflicts rather than just discussing serious issues.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Social and Personal Relationships·DateMar 19, 2004