News tagged with human cells

Related topics: cells , cancer cells , protein , cancer , proceedings of the national academy of sciences

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Immortal worms defy aging

Researchers from The University of Nottingham have demonstrated how a species of flatworm overcomes the ageing process to be potentially immortal.

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 4.8 / 5 (38) | comments 22 | with audio podcast

New type of extra-chromosomal DNA discovered

(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside ...

Biology / Biotechnology

created Mar 09, 2012 | popularity 4.8 / 5 (21) | comments 9 | with audio podcast report

Scientists create first 3-D map of human genome

(PhysOrg.com) -- For the first time, scientists have developed a method for generating accurate three-dimensional models of the entire DNA strand of a cell, known as a genome.

Biology / Biotechnology

created Jan 04, 2012 | popularity 4.6 / 5 (21) | comments 5 | with audio podcast

Enzyme corrects more than one million faults in DNA replication

Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.

Biology / Cell & Microbiology

created May 10, 2012 | popularity 4.9 / 5 (16) | comments 1 | with audio podcast

Researchers discover what cancer cells need to travel

(PhysOrg.com) -- Cancer cells must prepare for travel before invading new tissues, but new Cornell research has found a possible way to stop these cells from ever hitting the road.

Chemistry / Biochemistry

created Feb 22, 2012 | popularity 4.9 / 5 (14) | comments 0 | with audio podcast

New technique reveals unseen information in DNA code

Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss? Geneticists faced a similar problem with the recent discovery ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 4.8 / 5 (13) | comments 2 | with audio podcast

Honeycomb structure responsible for bacteria's extraordinary sense

(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical ...

Biology / Cell & Microbiology

created Feb 20, 2012 | popularity 4.8 / 5 (11) | comments 4 | with audio podcast

New microscope captures nanoscale structures in dazzling 3D

(Phys.org) -- A new x-ray microscope probes the inner intricacies of materials smaller than human cells and creates unparalleled high-resolution 3D images. By integrating unique automatic calibrations, scientists ...

Nanotechnology / Nanophysics

created Apr 19, 2012 | popularity 4.6 / 5 (11) | comments 5 | with audio podcast

A whole new meaning for thinking on your feet

Smithsonian researchers report that the brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. As part of ongoing research to understand how miniaturization affects ...

Biology / Plants & Animals

created Dec 12, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

New plastics 'bleed' when cut or scratched — and then heal like human skin

A new genre of plastics that mimic the human skin's ability to heal scratches and cuts offers the promise of endowing cell phones, laptops, cars and other products with self-repairing surfaces, scientists reported today. ...

Chemistry / Materials Science

created Mar 26, 2012 | popularity 4.9 / 5 (9) | comments 6 | with audio podcast

Researchers develop synthetic platelets

Synthetic platelets have been developed by UC Santa Barbara researchers, in collaboration with researchers at Scripps Research Institute and Sanford-Burnham Institute in La Jolla, Calif. Their findings are ...

Chemistry / Materials Science

created May 30, 2012 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Ingested nanoparticles could be harmful to health

(PhysOrg.com) -- Billions of engineered nanoparticles in foods and pharmaceuticals are ingested by humans daily, and new Cornell research warns they may be more harmful to health than previously thought.

Nanotechnology / Bio & Medicine

created Feb 17, 2012 | popularity 4.6 / 5 (8) | comments 0 | with audio podcast

Chemistry trick renews hope against killer diseases

As infections such as tuberculosis have become immune to an ever widening range of antibiotics doctors have looked on helplessly.

Chemistry / Biochemistry

created Dec 28, 2011 | popularity 5 / 5 (6) | comments 1

Mexican experts find ancient blood on stone knives

(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used for human sacrifice so long ...

Other Sciences / Archaeology & Fossils

created May 03, 2012 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast