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Science News Archive August 2011 - Page 14


Page 14 of 27

New nanostructured glass for imaging and recording

Scientists have created a new type of computer memory using nano-structured glass that can record and store data in a permanent form, revolutionizing medical imaging and material processing. The technology uses ultra-short laser pulses to imprint tiny dots in the glass, enabling precise imaging and manipulation.

SourceUniversity of Southampton·JournalApplied Physics Letters·DateAug 17, 2011

MIT: Oxygen's watery past

MIT researchers found evidence that tiny aerobic organisms may have evolved to survive on extremely low levels of oxygen in oceanic 'oxygen oases.' Laboratory experiments with yeast suggest early ancestors could have thrived with minimal O2, reconciling a debate over early Earth's atmosphere.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateAug 16, 2011

Tsunami observed by radar

Scientists have successfully observed a tsunami using high-frequency radar, which can detect changes in ocean currents and track wave movement. This innovation could lead to improved early warning systems for coastal regions like Southeast Asia and the East Coast.

SourceUniversity of California - Davis·JournalRemote Sensing·DateAug 16, 2011

State of the art in health policy and systems research

The article critically examines the current challenges to the field of health policy and systems research (HPSR), emphasizing the need for exploratory and explanatory types of research. The authors call for greater attention to capacity building in low- and middle-income countries, supporting local policy development and health systems...

SourcePLOS·JournalPLOS Medicine·DateAug 16, 2011

Any prime-boost mix of injected or spray flu vaccine shields toddlers

A new study by NIH-funded researchers found that a prime-boost mix of injected or spray flu vaccine provides the broadest immune response in young children. The study also found that nasal spray vaccine stimulates a wide array of immune T cells, which may be important for protection against diverse flu strains.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalThe Journal of Infectious Diseases·DateAug 16, 2011

Cells derived from pluripotent stem cells are developmentally immature

Researchers found that human embryonic stem cell-derived cells bear striking differences from human tissue cells in gene expression, functionality, and appearance. The cells' developmental maturity is also a concern, particularly for transplantation and disease modeling, as they may not mature to the same levels as adult cells.

The burly bird catches the girl

Researchers found that male rock ptarmigans can run up to 50% faster than females due to superior physiology, enabling them to defend larger territories and successfully breed. This study highlights the importance of considering physiological factors in understanding animal behavior and breeding success.