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News tagged with life span

Stoneflies mapped across Ohio, with implications for water quality and nature conservation

Stoneflies, or Plecoptera, are insects that live in water during immature stages, but are terrestrial as adults. They are among the best bioindicators of river water quality and general landscape disturba ...

Biology / Ecology

created Apr 12, 2012 | popularity 5 / 5 (1) | comments 0

New battery could lead to cheaper, more efficient solar energy

A joint research project between the University of Southampton and lithium battery technology company REAPsystems has found that a new type of battery has the potential to improve the efficiency and reduce the cost of solar ...

Technology / Energy & Green Tech

created Feb 09, 2012 | popularity 4.2 / 5 (5) | comments 2

Tiny amounts of alcohol dramatically extend a worm's life, but why?

(PhysOrg.com) -- Minuscule amounts of ethanol, the type of alcohol found in alcoholic beverages, can more than double the life span of a tiny worm known as Caenorhabditis elegans, which is used frequently ...

Biology / Biotechnology

created Jan 20, 2012 | popularity 4.8 / 5 (18) | comments 13 | with audio podcast

Oxidative stress: Less harmful than suspected?

Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated ...

Biology / Cell & Microbiology

created Dec 05, 2011 | popularity 4 / 5 (1) | comments 0

Mice with fewer insulin-signaling receptors don't live longer

Scientists studying longevity thought it might be good to lack a copy of a gene, called IGF1 receptor, that is important in insulin signaling. Previous studies showed invertebrates that lacked the copy lived longer, even ...

Chemistry / Biochemistry

created Nov 23, 2011 | popularity not rated yet | comments 0

Scientists turn on fountain of youth in yeast

(PhysOrg.com) -- Collaborations between Johns Hopkins and National Taiwan University researchers have successfully manipulated the life span of common, single-celled yeast organisms by figuring out how to remove and restore ...

Biology / Cell & Microbiology

created Nov 22, 2011 | popularity 4.8 / 5 (5) | comments 2 | with audio podcast

Propensity for longer life span inherited non-genetically over generations, study says

We know that our environment -- what we eat, the toxic compounds we are exposed to -- can positively or negatively impact our life span. But could it also affect the longevity of our descendants, who may live under very different ...

Biology / Biotechnology

created Oct 19, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Fish to be rescued from Texas river amid drought

(AP) -- Wildlife biologists on Friday will evacuate two species of minnows from the shrinking waters of a West Texas river in the first of what could be several rescue operations involving fish affected by the state's worst ...

Biology / Ecology

created Sep 16, 2011 | popularity not rated yet | comments 0

Dual-sex butterfly hatches at Natural History Museum

A rare half-male and half-female butterfly has emerged at the Natural History Museum's Sensational Butterflies exhibition.

Biology / Plants & Animals

created Jul 13, 2011 | popularity 5 / 5 (1) | comments 0

Plants in cities are an underestimated carbon store

Vegetation in towns and cities can make a significant contribution to carbon storage and, ecologists say, could lock away even more carbon if local authorities and gardeners planted and maintained more trees. The study, published ...

Space & Earth / Environment

created Jul 11, 2011 | popularity 4.8 / 5 (4) | comments 0

Coevolution not healthy for the female sea monkey

(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Cent ...

Biology / Evolution

created Jun 20, 2011 | popularity 3.7 / 5 (3) | comments 1 | with audio podcast report

Dying young did not cause Neanderthals' demise

Dying young was not likely the reason Neanderthals went extinct, said a study out Monday that suggests early modern humans had about the same life expectancy as their hairier, ancient cousins.

Other Sciences / Archaeology & Fossils

created Jan 10, 2011 | popularity 4.8 / 5 (5) | comments 6

For ever and ever: When the wedding flight never ends

German entomologists have now "resurrected" the fossil insect Mengea tertiara. Using high resolution micro-computer tomography the anatomy of an extinct insect was completely reconstructed three-dimensionally ...

Other Sciences / Archaeology & Fossils

created Jan 07, 2011 | popularity 5 / 5 (2) | comments 0

'Un-growth hormone' increases longevity

A compound which acts in the opposite way as growth hormone can reverse some of the signs of aging, a research team that includes a Saint Louis University physician has shown. The finding may be counter-intuitive to some ...

Medicine & Health / Medical research

created Dec 23, 2010 | popularity 4.6 / 5 (14) | comments 3 | with audio podcast

Protein preserves delicate balance between immune response and host

The immune system possesses a highly effective arsenal of cellular and chemical weapons that stand ready to defend us from harmful pathogens. However, these same mechanisms that are designed for protection can sometimes wreak ...

Medicine & Health / Medical research

created Oct 28, 2010 | popularity not rated yet | comments 0