A new study by UC San Francisco scientists shows that the proportion of normal cells, especially immune cells, intermixed with cancerous cells in a given tissue sample may significantly skew the…

Cells dynamically respond to environmental signals by turning appropriate sets of genes on or off. The "control system" that determines which genes need to be expressed at what time depends…

PHILADELPHIA, December 4, 2015 - Immune dysfunction is increasingly recognized as a cause of drug-resistant epilepsy but how or why the immune system attacks nerve cells - and the consequences on…

Sugar is sugar, to scientists. But Big Sugar, which promoted the notion that its bleached white product was somehow superior to corn syrup, suddenly found itself fighting a second front, against…

The dye business of the 19th century was a mature, fast-moving and international industry, according to an analysis of four purple dresses. The study found that a brand new purple dye went from first…

Falling oxygen levels caused by global warming could be a greater threat to the survival of life on planet Earth than flooding, according to an estimate led by Sergei Petrovskii, Professor in Applied…

The clinical potential and ethical difficulty posed by gene-editing technology, which can “find and replace” targeted genes, is seemingly endless. But while public attention is focused on whether we…

An experiment to study aging in yeast cells followed molecular processes inside and discovered that an overproduction of the proteins needed to make new proteins which could be the root cause of the…

Russian scientists have found that neoadjuvant chemotherapy in patients with breast cancer can stimulate evolution of the tumor. The results of the research conducted by Nicholay Litvyakov, D.Sc. at…

ROCHESTER, Minn. -- Burnout among U.S. physicians is getting worse. An update from a three-year study evaluating burnout and work-life balance shows that American physicians are worse off today than…