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Science News for December 10, 2002


Psychiatric disorders common among detained youth

A recent study found that nearly 60% of males and over two-thirds of females met diagnostic criteria for mental or substance use disorders, highlighting a significant concern for the high rates of depression and dysthymia among detained youth.

SourceNIH/National Institute of Mental Health·JournalArchives of General Psychiatry·DateDec 10, 2002

UF research shows kids need to be where the wild things are

Researchers found that childhood exposure to nature leads to a greater appreciation of the outdoors and interest in environmental careers. This has implications for educators and policymakers, as it can increase support for land preservation and environmental conservation.

SourceUniversity of Florida·JournalEnvironment and Behavior·DateDec 10, 2002
Apple iPhone 17 Pro

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

Toy choice among boys, girls a matter of monkey business

A study by Gerianne Alexander found that male and female monkeys showed similar preferences for 'boy' and 'girl' toys as human children, suggesting innate preferences. The findings suggest that perceptual cues attract males to active play objects like cars and balls, while females prefer toys with nurturing functions.

SourceTexas A&M University·JournalEvolution and Human Behavior·DateDec 10, 2002

New 3-D mammography system may improve breast imaging

The new digital tomosynthesis system provides high-resolution cross-section images with reduced structure overlap, making lesions easier to detect. This technology has the potential to revolutionize breast cancer detection and diagnosis, allowing for earlier interventions.

SourceMassachusetts General Hospital·DateDec 10, 2002

USF study: Nicotine antagonist relieves depression in children with Tourette's

A multicenter study published in Depression and Anxiety found that mecamylamine, a nicotine antagonist, significantly improved behavioral and emotional symptoms in children co-diagnosed with Tourette's syndrome and major depression. The study suggested that mecamylamine stabilizes mood by inhibiting nicotinic receptors.

SourceUniversity of South Florida (USF Health)·JournalDepression and Anxiety·DateDec 10, 2002
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

The biology of induced memory

Research shows that memories in the amygdala and hippocampus can be reactivated and require protein synthesis for restoration, contradicting long-held theories of memory storage. Dr. Nader's findings also explain false memory syndrome by revealing the biological basis of reconsolidation.

SourceMcGill University·JournalNeuron·DateDec 10, 2002

Increasing biodiversity is not always best

A comparative study of plants and birds on oceanic islands found that invasive species outnumber native species, causing extinctions but increasing overall diversity. The total number of land bird species has remained relatively unchanged despite the loss of native species.

SourceUniversity of California - Santa Barbara·DateDec 10, 2002

Affordable weapons for the war on terror

The Office of Naval Research has developed a new missile called the Affordable Weapon, designed to carry a significant payload to a target several hundred miles away. Equipped with GPS navigation and line-of-sight data links, the Affordable Weapon can fly directly to its target or loiter until directed by a forward observer.

SourceOffice of Naval Research·DateDec 10, 2002
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

New evidence linking smoking and lung cancer in women

A Mayo Clinic study found that adenocarcinoma of the lung is more strongly associated with smoking than previously recognized. Women who smoked a pack of cigarettes a day for 20 to 39 years had a higher risk of developing lung cancer, particularly adenocarcinoma.

SourceMayo Clinic·JournalAmerican Journal of Epidemiology·DateDec 10, 2002

Identification of genes causing defects in vitamin B12 metabolism

Researchers have identified two genes responsible for defects in vitamin B12 metabolism, which can lead to accumulation of methylmalonic acid. This breakthrough could enable DNA testing for carriers and early prenatal diagnosis, providing hope for families affected by the disease.

SourceMcGill University·JournalProceedings of the National Academy of Sciences·DateDec 10, 2002

Disparity between rich and poor for hip, knee replacement

A study found that individuals with lower incomes and education levels are more likely to have severe arthritis but less likely to be on waiting lists for joint replacement surgery. Women from lower socio-economic backgrounds are also less likely to discuss joint replacement with their doctors.

SourceUniversity of Toronto·JournalArthritis & Rheumatism·DateDec 10, 2002
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Internet porn-blocking software needn’t block health information, study finds

A recent study published in the Journal of the American Medical Association found that internet filters can effectively distinguish between health information and pornography when set at moderate levels. However, highly restrictive settings may block a significant portion of essential health sites, while still providing excellent porn ...

SourceMichigan Medicine - University of Michigan·JournalJAMA·DateDec 10, 2002