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A surprising discovery inside desert mosses could reshape scientists’ understanding of plant evolution. In some of the driest places on Earth, the ground itself can be alive. What looks like a thin, dark crust on desert soil may actually be a miniature ecosystem, packed with mosses, fungi, bacteria, algae, and tiny animals. These biological soil […]

A surprising discovery inside desert mosses could reshape scientists’ understanding of plant evolution. In some of the driest places on Earth, the ground itself can be alive. What looks like a thin, dark crust on desert soil may actually be a miniature ecosystem, packed with mosses, fungi, bacteria, algae, and tiny animals. These biological soil […]

A surprising discovery inside desert mosses could reshape scientists’ understanding of plant evolution. In some of the driest places on Earth, the ground itself can be alive. What looks like a thin, dark crust on desert soil may actually be a miniature ecosystem, packed with mosses, fungi, bacteria, algae, and tiny animals. These biological soil […]

A century after one of developmental biology’s most influential experiments, researchers have revisited the concept of the embryonic “organizer” in one of the oldest animal lineages alive today. A tiny cluster of cells in an embryo can act like a construction manager for an entire body. It helps determine which end becomes the head, which […]

Scientists have uncovered a shared target used by multiple diarrhea-causing bacteria to invade the gut. Despite decades of research, scientists still do not have vaccines against two of the world’s most common causes of severe bacterial diarrhea: enterotoxigenic E. coli (ETEC) and Shigella. Together, these pathogens infect hundreds of millions of people each year and […]

Scientists have uncovered a shared target used by multiple diarrhea-causing bacteria to invade the gut. Despite decades of research, scientists still do not have vaccines against two of the world’s most common causes of severe bacterial diarrhea: enterotoxigenic E. coli (ETEC) and Shigella. Together, these pathogens infect hundreds of millions of people each year and […]

Scientists have uncovered a shared target used by multiple diarrhea-causing bacteria to invade the gut. Despite decades of research, scientists still do not have vaccines against two of the world’s most common causes of severe bacterial diarrhea: enterotoxigenic E. coli (ETEC) and Shigella. Together, these pathogens infect hundreds of millions of people each year and […]

Vitamin B12 is needed in only trace amounts, yet its absence can have far-reaching effects. Two micrograms is an almost unimaginably small amount. It weighs less than a tiny fragment of a grain of table salt. Yet adults need only around this amount of vitamin B12 each day, depending on the guideline used, to support […]

A new study suggests that altering the gut microbiome with probiotics may provide additional benefits for older adults being treated for depression. Could a daily probiotic help ease depression in older adults? A new clinical trial suggests the answer may be yes, adding to growing evidence that the gut and brain are more connected than […]

A genetic study of 2,000-year-old grape seeds is shedding new light on ancient winemaking. For centuries, the vineyards of Tuscany have been associated with some of the world’s most celebrated red wines. But a cache of grape seeds buried in ancient wells is revealing a very different story about what people were growing and drinking […]