Recently Added Most commented

Scientists Grow ‘Nanonets’ Able To Snare Added Energy Transfer

September 3, 2008

Boston College chemists have produced nanonets, a flexible webbing of self-assembling nanoscale titanium and silicon wires that multiplies surface area, critical to improving the performance of the wires in electronics and energy applications.

Test shows improved performance in the material’s ability to conduct electricity and ability to absorb light across a wide range of the solar spectrum.

Scientists grow new lungs from stem cells

June 25, 2010

University of Texas Medical Branch researchers have seeded mouse embryonic stem cells in rats into acellular* rat lungs to create lung-shaped scaffolds of structural proteins on which the mouse stem cells thrived and differentiated into new cells.

The results give the researchers hope that the concept could be scaled up to produce replacement tissues for humans — or used to create models to test therapies and diagnostic techniques for… read more

Scientists grow pork meat in a laboratory

December 1, 2009

Scientists have grown meat in the laboratory for the first time. Experts in Holland used cells from a live pig to replicate growth in a petri dish.

They initially extracted cells from the muscle of a live pig. Called myoblasts, these cells are programmed to grow into muscle and repair damage in animals. The cells were then incubated in a solution containing nutrients to encourage them to multiply indefinitely.… read more

Scientists Hack Cellphone to Analyze Blood, Detect Disease, Help Developing Nations

December 23, 2008

Using only an LED, plastic light filter and some wires, scientists at UCLA’s California NanoSystems Institute have modded a cellphone into a portable blood tester capable of detecting HIV, malaria and other illnesses.

UCLA researcher Dr. Aydogan Ozcan images thousands of blood cells instantly by placing them on an off-the-shelf camera sensor and lighting them with a coherent filtered-light source. That exposes distinctive qualities of the cells, which are… read more

Scientists harness nanoparticles to track cancer-cell changes

April 15, 2009

A Stanford University School of Medicine team has for the first time used specially designed dye-containing nanoparticles to simultaneously monitor changes in two intracellular proteins that play crucial roles in the development of cancer.

Successful development of the new technique may improve scientists’ ability to diagnose cancers — for example, by determining how aggressive tumors’ constituent cells are — and to eventually separate living, biopsied cancer cells from one… read more

Scientists have flash of light over Parkinson’s treatment

March 20, 2009

Stanford University scientists have found a way to activate specific brain cells using flashes of light to treat Parkinson’s disease.

Scientists highlight fish ‘intelligence’

September 2, 2003

Fish are now seen as highly intelligent creatures, with social intelligence, exhibiting stable cultural traditions, cooperating to inspect predators and catch food, and pursuing Machiavellian strategies of manipulation, punishment and reconciliation.

They can even be favorably compared to non-human primates, say British scientists.

News tip: Walter Purvis

Scientists hit back at Catholic church over ‘cybrids’

January 28, 2008

Scientists are responding angrily to claims by the Catholic church that a new bill currently before the UK Parliament “will allow scientists to create embryos that are half human, half animal.”

Scientists Hope to Unravel Neanderthal DNA

July 21, 2006

Researchers at the Max Planck Institute for Evolutionary Anthropology plan to collaborate with an American company in an effort to reconstruct the genome of Neanderthals, the archaic human species that occupied Europe from 300,000 years ago to 30,000 years ago until being displaced by modern humans.

Recovery of the Neanderthal genome, in whole or in part, would be invaluable for reconstructing many events in human prehistory and evolution.

Scientists identify a molecule that coordinates the movement of cells

October 3, 2008

Scientists at the Howard Hughes Medical Institute and Rockefeller University have found that a molecule, called ACF7, helps regulate and power the cell’s movement along the extracellular matrix from the inside — findings that could have implications for understanding how cancer cells metastasize.

They found that ACF7 is an orchestrator of directed cellular movement by guiding microtubules along a roadway of actin cables, leading them toward focal adhesions at… read more

Scientists Identify And Repress Breast Cancer Stem Cells In Mouse Tissue

December 24, 2007

By manipulating highly specific gene-regulating molecules called microRNAs, scientists at Cold Spring Harbor Laboratory have succeeded in singling out and repressing stem-like cells in mouse breast tissue–cells that are widely thought to give rise to cancer.

No therapies currently exist that target stem-like tumor-initiating cells, whose existence in diverse tissues including breast, lung, brain and colon, as well as in the blood, has been demonstrated in a line of… read more

Scientists identify blood stem cell

February 25, 2003

Scientists at the Biochip Technology Center at Argonne National Laboratory have discovered monocyte adult stem cells originating in the blood, a finding that could lead to an easily accessible source of cells to treat diseases.

The advantage of the monocyte stem cells over bone marrow adult stem cells is they are easily available and accessible.

Scientists identify DNA that may contribute to each person’s uniqueness

August 12, 2010

dna spiral

Building on a tool that they developed in yeast four years ago, researchers at the Johns Hopkins University School of Medicine scanned the human genome and discovered what they believe is the reason people have such a variety of physical traits and disease risks.

In a report published in the June 25 issue of Cell, the team identified a near complete catalog of the DNA segments that copy… read more

Scientists identify first genetic variant linked to biological aging in humans

February 8, 2010

The risk of age-associated diseases including heart disease and some types of cancers are more closely related to biological rather than chronological age, European researchers have found, showing that telomere lengths depend on the presence of gene variants near a gene called TERC.

Scientists Identify Machinery that Helps Make Memories

November 3, 2008

Duke University Medical Center researchers have identified a missing-link molecule that helps to explain the process of plasticity (rearranging neural connections in learning and forming memories) and could lead to new therapies.

The myosin Vb molecule moves new receptors to the synapse via actin filaments so that the neuron can respond more strongly and strengthen connections.

The finding may suggest new therapies for treating memory loss, psychiatric disease,… read more

close and return to Home