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Why human egg cells don't age well

When egg cells form with an incorrect number of chromosomes—a problem that increases with age—the result is usually a miscarriage or a genetic disease such as Down syndrome. Now, researchers at the RIKEN ...

dateJul 01, 2015 in Cell & Microbiology
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Starfish that clone themselves live longer

Starfish that reproduce through cloning avoid ageing to a greater extent than those that propagate through sexual reproduction. This is shown by a new research study in which researchers from the University ...

dateJun 25, 2015 in Plants & Animals
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Tiger-spray DNA shown as valuable conservation tool

Conservation scientists have demonstrated a new technique to non-invasively survey tigers using their scent sprays, which are detected much more frequently in the wild than scat—the "breadcrumb" that researchers ...

dateJun 18, 2015 in Ecology
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Putting the squeeze on a cell's nucleus

Nuclear membranes protect genes—life's most precious cargo—but little is known about why they function in different tissue types. For instance, nuclei in brain cells tend to be soft and pliable while ...

dateJun 16, 2015 in Cell & Microbiology
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Sex chromosomes—why the Y genes matter

Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are rescue ...

dateMay 27, 2015 in Biotechnology
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