Scientists can now explain how prolonged stress sparks the endoplasmic reticulum to release its calcium stores, inducing cells to undergo apoptosis in several aging-related diseases.
Archive for September 27th, 2009
Heavier rainstorms lie in our future. That's the clear conclusion of a new study on the impact that global climate change will have on precipitation patterns.
Necessity is the mother of invention: Great Tits eat hibernating common pipistrelle bats under harsh conditions of snow cover. This remarkable newly-acquired behaviour was observed by researchers in a cave in Hungary. When the researchers offered the birds alternative feed, they ate it and showed little or no interest in flying into the cave again.
The European Space Agency's SMART-1 team has released an image of the future impact site of NASA's Lunar Crater Observation and Sensing Satellite (LCROSS). LCROSS will search for water ice on the Moon by making two impacts into a crater named Cabeus A at the lunar South Pole. The impacts are scheduled for 11:30 and 11:34 am UT on 9 October 2009.
In the future, diagnosing severe personality disorders, evaluating the childhood environment, assessing alcohol consumption and the analysis of the MAOA genotype may provide more accurate means for assessing risk among violent offenders, according to the research carried out jointly at the University of Helsinki, Finland.
Researchers have discovered that epileptic brains are more ordered than non-epileptic ones and also that certain flicking colors seem more likely to cause fits.
A study of clinical errors made by resident physicians in a teaching hospital reveals that the more tired they are the more mistakes they make. The study puts figures to this seemingly obvious conclusion and shows that fewer errors are made if clinical practices are standardized.
Researchers demonstrate a new way to make silk-based optical waveguides that are biocompatible, biodegradable and readily functionalized with active molecules. This opens up opportunities in biologically based modulation and sensing and ability to integrate light delivery in living tissue.
A network of proteins underlying the plasma membrane keeps epithelial cells in shape and maintains their orderly hexagonal packing in the mouse lens, according to new research.
A team of engineers and artists has developed a way to create glass objects using a conventional 3-D printer. The technique allows a new type of material to be used in such devices.
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