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Science News for March 31, 2007


The gigantic respiration of crystalline solids

Gérard Férey and his team at Institut Lavoisier have discovered a new family of trivalent metal dicarboxylates with unprecedented respiration properties, exceeding 300% volume variation upon solvent immersion. These crystalline solids possess reversible respiration mechanism without apparent bond rupture.

SourceCNRS·JournalScience·DateMar 31, 2007

The formation of social memories

Researchers have identified the medial prefrontal cortex as a crucial region in storing and recalling social memories. This finding opens new perspectives on understanding human recollections and mental disorders affecting social skills.

SourceCNRS·JournalCognitive Neuroscience·DateMar 31, 2007

Hard as nails!

Researchers at the University of Manchester discovered that nails are most resilient in humid environments with a relative humidity of 55-60%. This finding may help improve false nail and varnish products, reducing breakage and damage.

Bats get the munchies too!

A recent study discovered that Egyptian fruit bats have a preference for certain sugars, including fructose and sucrose, to counteract the effects of ethanol toxicity. Consuming fructose-containing food resulted in faster decline of ethanol levels in their breath compared to other types of sugar.

Fishing for alternatives

Researchers are developing alternative culture methods to reduce the use of live fish in safety testing, reducing animal experimentation. Dr Richard Handy's perfusion method allows for the controlled exposure of fish organs to toxins, providing insights into toxicity and organ function.