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Science News for April 11, 2005


Whooping cranes stabilize vision to find food

Researchers found that whooping cranes exhibit high-amplitude head movements to control their visual world while searching for food. By holding the head still more than 50% of the time, they permit close and stable examination of objects in view, allowing accurate detection, localization, and recognition of food items.

SourceCell Press·JournalCurrent Biology·DateApr 11, 2005

Babies use their own names to help learn language

Research by Heather Bortfeld shows that babies can discern the beginnings and endings of words that follow their names, providing a foundation for learning language. By using familiar words like their names, babies can anchor their early learning of other word forms and tap into the process at an earliest stage possible.

SourceTexas A&M University·JournalPsychological Science·DateApr 11, 2005

Little answers to world's biggest problems

A new study ranks top nanotech applications to aid poor, with energy storage and agriculture leading the list. The study's authors believe these technologies can contribute to UN Millennium Development Goals and improve living standards in developing countries.

SourcePLOS·JournalPLOS Medicine·DateApr 11, 2005

Restless legs syndrome has complex genetic involvement

A study of French Canadian families found a strong genetic link to restless legs syndrome on chromosome 12q, with periodic leg movements during sleep being a key distinguishing feature. The findings support the involvement of multiple genetic loci in the common sleep disorder.

SourceJAMA Network·JournalArchives of Neurology·DateApr 11, 2005

At-risk middle schoolers: A good investment

A three-year course in the stock market and investing resulted in improved attendance and academic performance among at-risk middle school students. The program, which allowed students to buy shares of stock by improving their grades and attendance, showed statistically significant gains in vocabulary, reading comprehension, and applie...

Carnegie Mellon and U. of Pittsburgh create tool to understand neuron rhythms, learning

Researchers at Carnegie Mellon and University of Pittsburgh have created a new method to calculate the phase-resetting curve (PRC) of living neurons, which can help elucidate mechanisms for neural synchrony and study learning. The tool combines computational and experimental approaches to simplify complex dynamics of single neurons.

SourceCarnegie Mellon University·JournalPhysical Review Letters·DateApr 11, 2005

Research shows overfishing of sharks key factor in coral reef decline

A new study reveals that overfishing of sharks triggers a domino effect of changes in abundance, contributing to the degradation of Caribbean reefs. The researchers found that sharks play a crucial role in maintaining the stability of the ecosystem, and their removal can lead to a decline in plant-eating fish populations.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 11, 2005

NSF launches computer security center

The TRUST consortium, funded by NSF's Science and Technology Centers program, aims to create new technologies that make computer software and networks inherently secure. Researchers will focus on protecting against attacks, ensuring data integrity, and developing tools for building trustworthy systems.

Higher education representatives advise chemistry faculty candidates on how to apply for positions

The American Chemical Society's Academic Employment Initiative (AEI) offers advice on applying for chemistry faculty positions. AEI aims to broaden the hiring process to include more women, minorities, and candidates from lesser-known universities. The initiative emphasizes research fit and highlighting one's unique qualities.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateApr 11, 2005

Humor can increase hope, research shows

A study by Texas A&M University psychologist David H. Rosen found that watching a comedy video significantly increased participants' scores for hopefulness. The finding suggests humor can be a legitimate strategy for relieving stress and maintaining well-being while increasing hope.

SourceTexas A&M University·JournalHumor - International Journal of Humor Research·DateApr 11, 2005