Plasma thrusters used on satellites could be much more powerful

It was believed that Hall thrusters, an efficient kind of electric propulsion widely used in orbit,…

Head injury is associated with doubled mortality rate long-term, Penn study finds

Adults who suffered any head injury during a 30-year study period had two times the rate…

Were galaxies much different in the early universe?

The most sensitive telescope now searching for radio signals from cosmic dawn, an era around 200…

Researchers identify neurons that 'learn' to smell a threat

Researchers are finding new clues to how the olfactory sensory system aids in threat assessment and…

Actin affects the spread of cancer in several ways

The transport of molecules along the cell’s skeleton plays a role in cancer metastasis, researchers show. …

How regulatory T cells halt aberrant, self-reactive T cells

New research findings show in detail how self-reactive T cells — white blood cells dubbed Teffs…

New DNA biosensor could unlock powerful, low-cost clinical diagnostics

By flagging disease-associated DNA biomarkers, medical professionals can make early diagnoses and provide personalized treatments, but…

Color images from the shadow of a sample

A research team has developed a new method to produce X-ray images in color. In the…

Novel microneedle bandage could save lives by stopping blood loss from wounds

A soldier suffers a serious gunshot wound on a remote battlefield or a machinist has a…

Potential hidden cause of dementia detected

A new study suggests that some patients diagnosed with behavioral-variant frontotemporal dementia (bvFTD) — an incurable…