Science News

Transplanting mesenchymal stem cells along with blood vessel-forming cells naturally found in circulation improves transplantation results, researchers report. The research has immediate translational implications, as cu...

By confining colonies of human embryonic stem cells to tiny circular patterns on glass plates, researchers have for the first time coaxed them into organizing themselves just as they would under natural conditions.

The precise molecular mechanism that may trigger elevated neuronal activity in Alzheimer's patients has been pinpointed by researchers. This mechanism subsequently damages memory and learning functions. With the understa...

The unseen effects that can occur as a result of a blast injury have been studied by researchers who have concluded that the shock wave alone created by an IED, even in the absence of shrapnel or other particles, can cau...

An imaging technology more powerful than anything that has existed before, and is fast enough to observe life processes as they actually happen at the molecular level, has been created by scientists. This technology will...

Malnutrition during childhood is associated with higher diastolic blood pressure, higher resistance to blood flow, and poor heart function during adulthood, research shows. Additionally, inadequate nutrition before birth...

An infection with malaria pathogens changes the scent of infected mice, making those infected more attractive to mosquitoes, according to a new study. Researchers show that whether mosquitoes find the right victim to bit...

The evolution of the ribosome, a large molecular structure found in the cells of all species, has been revealed in unprecedented detail in a new study.

People with HIV who are diagnosed with cancer are two to four times more likely to go untreated for their cancer compared to uninfected cancer patients, according to a new, large retrospective study. Life expectancy for ...

The popular idea that northern Europeans developed light skin to absorb more UV light so they could make more vitamin D -- vital for healthy bones and immune function -- is questioned by researchers in a new study. Rampi...

A new way to identify possible therapeutic targets for patients with drug resistant melanoma has been developed by researchers. It involves using liquid chromatography-multiple reaction monitoring mass spectrometry to me...

Demographers have found that mortality projections from most low-mortality countries are more pessimistic than they should be. Existing projections fail to recognize that fewer people smoke today than used to. As a resul...

A drug that appears to make memories of fearsome events less durable in mice has been discovered by researchers. The finding may accelerate the development of treatments for preventing PTSD. The drug, called osanetant, t...

Molybdenum trioxide nanoparticles oxidize sulfite to sulfate in liver cells in analogy to the enzyme sulfite oxidase, researchers have found. The functionalized Molybdenum trioxide nanoparticles can cross the cellular me...

Leading immunologists express confidence that clear advances in the fight against tuberculosis are within reach. "The old BCG vaccine against tuberculosis primarily activates only helper cells. The trick with our new vac...

Many enzymes work only with a co-trainer, of sorts. Scientists show what this kind of cooperation looks like in detail using a novel methodology applied to the heat shock protein Hsp90.

Activities surrounding the 4th of July can create health hazards for those who suffer from allergies and asthma. Smoke from fireworks can make it hard for those with asthma to breathe, and certain fresh fruits and vegeta...

Nothing says "Fourth of July" like fireworks, but doctors at Vanderbilt University Medical Center urge caution with consumer fireworks and suggest leaving these displays to the experts. Vanderbilt doctors annually treat ...

California's rainfall year ended today, and though the final totals aren't yet official, the parched state will likely end up with one of its lowest rainfall years since the 1920s.

Where the Sahara Desert meets the sea, winds sculpt the arid landscape in a series of parallel lines. Human activity in the form of mining is visible in a new astronaut photograph of the west coast of Africa.

Diagram Of A Drone System This diagram shows the drone, the communications relay, the remote pilot, and the air traffic controller. Office of the Inspector General, U.S. Department of Transportation According to plan, th...

For millennia, humans have kept track of time by observing the changing face of the moon.