News tagged with lifespan

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Diode lights offer bright future for low energy

German scientists said Wednesday they had tweaked organic light-emitting diodes (OLEDs) -- the materials used in flat-screen TVs, laptop computer screens and mobile phone displays -- to become flexible, energy-efficient ...

May 13, 2009
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SIRT1 takes down tumors

Yuan et al. have identified another anti-cancer effect of the "longevity" protein SIRT1. By speeding the destruction of the tumor promoter c-Myc, SIRT1 curbs cell division. The study will be published online ...

Apr 13, 2009
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Starve a yeast, sweeten its lifespan

Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.

Mar 24, 2009
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Live fast, die young? Maybe not

The theory that a higher metabolism means a shorter lifespan may have reached the end of its own life, thanks to a study published in the journal Physiological and Biochemical Zoology. The study, led by Lobke Vaanholt (University ...

Mar 09, 2009
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Inbreeding insects cast light on longer female lifespans

Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...

Feb 06, 2009
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Stress Impairs Stem Cell Function in Aging Tissues

(PhysOrg.com) -- Heinrich Jasper, assistant professor of biology at the University of Rochester, has won a $900,000 Senior Fellow Award from the Ellison Medical Foundation for his work showing how stress affects stem cell ...

Feb 02, 2009
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Language driven by culture, not biology

(PhysOrg.com) -- Language in humans has evolved culturally rather than genetically, according to a study by UCL (University College London) and US researchers. By modelling the ways in which genes for language might have ...

Jan 20, 2009
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