ow the host shapes the microbiota is unclear. This visual abstract depicts the findings in Liu et al, who identify host miRNAs within feces and show that these miRNAs are predominantly produced by gut epithelial cells and Hopx+ cells. These microRNAs can regulate bacterial gene expression and growth, and their loss results in imbalanced microbiota

Domesticated crops have been transformed almost beyond recognition in comparison with their wild relatives – a change that happened during the early stages of farming in the Stone Age. Credit: © nipaporn / Fotolia The beginnings of agriculture changed human history and has fascinated scientists for centuries. Researchers from the Grantham Centre for Sustainable Futures

Does testosterone make men feel more right? (stock image) Credit: © Romolo Tavani / Fotolia Hotheaded, impulsive men who shoot first and ask questions later are a staple of Westerns and 1970s cop films, but new research shows there might be truth to the trope. A study conducted by researchers from Caltech, the Wharton School,

This is an entrance to the archaeological site of Vindija Cave, Croatia. Credit: MPI f. Evolutionary Anthropology/ J. Krause While there are numerous prehistoric sites in Europe and Asia that contain tools and other human-made artefacts, skeletal remains of ancient humans are scarce. Researchers of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany,

SCorded ware vessel, an axe and two discs made of amber from an early male grave. Credit: Danish National Museum In an earlier study Professor Kristian Kristiansen from the University of Gothenburg in Sweden and Lundbeck Foundation Professor Eske Willerslev from the Centre for GeoGenetics at the University of Copenhagen, and their research teams, showed

Artist’s impression of stars born in winds from supermassive black holes. Credit: ESO/M. Kornmesser Brain size in primates is predicted by diet, an analysis by a team of New York University anthropologists indicates. These results call into question “the social brain hypothesis,” which has posited that humans and other primates are big-brained due to factors

It is perhaps the world’s most famous painting: Leonardo da Vinci’s Mona Lisa. The ambiguous facial expression of Mona Lisa was long thought to be one of the main reasons for its great appeal: Is she happy or sad? Scientists at the Medical Center — University of Freiburg, the Institute of Psychology of the University

According to a new study, Americans who were married or living together had sex 16 fewer times per year in 2010-2014 compared to 2000-2004.Image Credit:Flickr/Cristiano Aguiar While the topic of sex is less taboo than it was a generation ago, that doesn’t necessarily mean people are having more of it. According to a new study

San Francisco State University researchers used an optimized computer program to classify sound into three categories in classroom audio recordings. Credit: San Francisco State University Researchers at San Francisco State University have developed a tool that for the first time can measure the extent to which instructors use innovative teaching methods by analyzing simple audio

A study of the work and sex habits of married employees found that those who prioritized sex at home unknowingly gave themselves a next-day advantage at work.Image Credit:Flickr/Cristiano Aguiar Maintaining a healthy sex life at home boosts employees’ job satisfaction and engagement at the office, underscoring the value of a strong work-life balance, an Oregon

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