News tagged with biology

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One step closer to closure: Neuroscientists discovery key to spinal cord defects

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity 5 / 5 (2) | comments 1

Spinal cord disorders like spina bifida arise during early development when future spinal cord cells growing in a flat layer fail to roll up into a tube. In the Dec. 6 issue of Nature Cell Biology, researchers from the Jo ...


Researchers Create New Way To Locate Big Genetic Variants

Biology / Biotechnology

created 21 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Yale University researchers, analyzing hundreds of billions of bits of genetic information, have collated and standardized 2,000 signposts that mark the boundaries of large blocks of human genomic variants.


BBS proteins shown to run an export business that protects cilia

BBS proteins shown to run an export business that protects cilia

Biology / Cell & Microbiology

created Dec 28, 2009 | popularity not rated yet | comments 0

A protein complex mutated in human disease removes excess signaling molecules to prevent them from damaging cilia, say researchers from UMass Medical School. The study will be published in the December 28 ...


duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.9 / 5 (11) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Sniffing out clues to dogs' compulsive behavior

Sniffing out clues to dogs' compulsive behavior

Biology / Biotechnology

created Dec 22, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- At first glance, a dog chasing its tail seems a harmless, if fruitless, pursuit. But for many dogs and their owners, the habit has a dark side, one that means endless hours and energy spent ...


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Study sheds light on microscopic flower petal ridges

Study sheds light on microscopic flower petal ridges

Biology / Plants & Animals

created Dec 22, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Michigan State University scientists and colleagues ...