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News tagged with human hair

Beijing air pollution soars with fireworks smoke

(AP) -- Clouds of smoke from Lunar New Year fireworks sent air pollution readings soaring in the more sensitive measurement system Beijing started using a little more than a week ago, reports said Sunday.

Space & Earth / Environment

created Jan 29, 2012 | popularity 5 / 5 (2) | comments 5

Study uncovers how DNA unfolds for transcription

(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...

Biology / Cell & Microbiology

created Jan 17, 2012 | popularity 5 / 5 (4) | comments 5 | with audio podcast

Cellular automaton model predicts how hair follicle stem cells regenerate

Your hair -- or lack of hair -- is the result of a lifelong tug-of-war between activators that wake up, and inhibitors that calm, stem cells in every hair follicle on your body, according to Cheng-Ming Chuong, M.D., Ph.D., ...

Biology / Cell & Microbiology

created Dec 07, 2011 | popularity 5 / 5 (3) | comments 0

Nanowrinkles, nanofolds yield strange hidden channels

Wrinkles and folds are ubiquitous. They occur in furrowed brows, planetary topology, the surface of the human brain, even the bottom of a gecko's foot. In many cases, they are nature's ingenious way of packing ...

Nanotechnology / Nanomaterials

created Nov 23, 2011 | popularity 3.4 / 5 (5) | comments 0 | with audio podcast

Herbicide may affect plants thought to be resistant

Purdue University researchers have discovered a fine-tuning mechanism involved in plant root growth that has them questioning whether a popular herbicide may have unintended consequences, causing some plants to need more ...

Biology / Plants & Animals

created Nov 22, 2011 | popularity not rated yet | comments 0

World's smallest four-wheel-drive is a billionth of a meter (Update)

(PhysOrg.com) -- Reduced to the max: the emission-free, noiseless 4-wheel drive car, jointly developed by Empa researchers and their Dutch colleagues, represents lightweight construction at its most extreme. ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

How do green algae react to carbon nanotubes?

Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...

Nanotechnology / Nanomaterials

created Nov 04, 2011 | popularity 4 / 5 (1) | comments 3 | with audio podcast

Scientists discover how daughter cells receive the same number of chromosomes

Scientists at Warwick Medical School have uncovered the molecular process of how cells are by-passing the body's inbuilt 'health checkpoint' with cells that carry unequal numbers of chromosomes that have a higher risk of ...

Medicine & Health / Genetics

created Nov 01, 2011 | popularity not rated yet | comments 0

World's smallest electric motor made from a single molecule

Chemists at Tufts University's School of Arts and Sciences have developed the world's first single molecule electric motor, a development that may potentially create a new class of devices that could be used ...

Nanotechnology / Nanophysics

created Sep 04, 2011 | popularity 4.4 / 5 (18) | comments 9 | with audio podcast

Growth hormone helps repair the zebrafish ear

Loud noise, especially repeated loud noise, is known to cause irreversible damage to the hair cells inside the cochlea and eventually lead to deafness. In mammals this is irreversible, however both birds and fish are able ...

Medicine & Health / Neuroscience

created Sep 02, 2011 | popularity 5 / 5 (1) | comments 0

Hair-cell-derived patient-specific heart cells for disease modeling and drug screening

Hair follicle keratinocytes offer a simple and accessible route to generate patient-specific induced pluripotent stem cells, iPSCs, with minimum inconvenience for the patients, shows study presented at the ESC Congress 2011 ...

Medicine & Health / Cardiology

created Aug 29, 2011 | popularity not rated yet | comments 0

Laying a fairytale to rest with human hair

A team of engineers from Imperial College London have developed a contraption made of human hair, enabling presenters from the world’s longest running children’s television program to test the theory behind a fairytale.

Other Sciences / Other

created Feb 09, 2011 | popularity 5 / 5 (2) | comments 0

Hair color of unknown offenders is no longer a secret

The hair color of an unknown perpetrator who has committed a crime will soon no longer be a secret for forensic investigators. Erasmus MC scientists, in collaboration with their Polish colleagues, have discovered that DNA ...

Medicine & Health / Genetics

created Jan 03, 2011 | popularity 5 / 5 (3) | comments 6 | with audio podcast

Smallest periodic table fits on the side of human hair (w/ Video)

Scientists at The University of Nottingham have written what they believe is the world's smallest periodic table -- on the side of a human hair. The table is so small that a million of them could be replicated ...

Nanotechnology / Nanophysics

created Dec 21, 2010 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

Scientists identify genetic cause for type of deafness

A team led by scientists from The Scripps Research Institute has discovered a genetic cause of progressive hearing loss. The findings will help scientists better understand the nature of age-related decline in hearing and ...

Medicine & Health / Genetics

created Sep 03, 2009 | popularity not rated yet | comments 0