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Science News Archive April 2005 - Page 9


Page 9 of 14

Currents could disrupt ocean food chain

A study by Oregon State University suggests that ocean currents could disrupt the marine food chain, leading to a decline in phytoplankton productivity. The Atlantic Conveyer current, which warms Europe, is a critical component of this process, and its disruption could have far-reaching consequences for global food security.

SourceOregon State University·JournalNature·DateApr 12, 2005

Hey, now, what's that sound

The Smart Sensor Enabled Neural Threat Recognition and Identification (SENTRI) system uses software developed by Dr. Ted Berger to recognize suspicious noises. It can distinguish between gun fire and other noises, as well as small-arms fire from heavy weapons.

Ancient enzyme guides healthy eating in mammals

A study found that an ancient enzyme, GCN2 kinase, plays a crucial role in guiding healthy eating behavior in mammals. The enzyme detects changes in blood amino acid levels and triggers a behavioral response to limit consumption of imbalanced food.

SourceCell Press·JournalCell Metabolism·DateApr 12, 2005

Virtual reality, real ingenuity

The Marine Corps has created a dedicated virtual-reality training system for its assault amphibian vehicles, allowing for increased training capabilities due to range and ammunition supply constraints. The Virtual Environment Assault Amphibian Vehicle (VEAAV) training system was developed by a Navy-Marine Corps team in just six months.

Case Western Reserve University study shows promise of lowering costs for treating autism

A year-long study at Case Western Reserve University found that 'responsive teaching' strategies improved parents' interactions with autistic children and enhanced their developmental growth. The study showed a 60% increase in cognitive development and a 150% increase in language development among participants.

SourceCase Western Reserve University·JournalJournal of Developmental & Behavioral Pediatrics·DateApr 12, 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