For decades, biologists believed cells had only one way to access a molecule they cannot live without. New research suggests ...

Aurora, Colorado-based dietary supplement company refreshes publicly available product disclosures, reaffirms its 60-day money-back guarantee, and details current ordering, shipping, and support proce ...

MIT scientists have identified cysteine — an amino acid found in foods like meat, dairy, beans, and nuts — as a potent trigger for intestinal repair. In mice, a cysteine-rich diet activated immune ...

Tight junctions (TJs) regulate paracellular permeability, cell polarity and cell mechanics of barrier-forming tissues. This Review explores how TJs adapt their structure and function across tissues, ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

Over 700 million natural proteins 1 fold into only a few thousand spatial arrangements of secondary structures—or folds 2,3,4,5,6. Extant protein folds have been maintained over billions of years ...