Researchers have developed a human intestinal cell model that closely mimics the structure and function of the human gut, enabling more precise prediction of drug-induced gastrointestinal toxicity ...

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling ...

Humans have climbed to the top of the food chain by skillfully hunting, trapping, and fishing for other animals at scales that far exceed other predators, altering how the animals behave and earning ...

Videos aimed at pets are drawing millions of views. But who’s actually watching? By Emily Anthes Emily Anthes is a science reporter who writes Pet Theory, a column about our creature companions. Show ...

Human norovirus (HuNoV) is a leading cause of acute viral gastroenteritis worldwide, causing symptoms ranging from discomfort to severe outcomes in young children, the elderly, and people who are ...

Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins do not scatter or hide. They keep walking. Some pause a short distance away ...

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Humans are not well adapted to live in modern cities—and this may be having a big impact on our health and wellbeing. This is the claim of evolutionary scientists from Loughborough University, England ...

Putting people into sleep mode is a sci-fi concept that's a lot closer to becoming real than you might think. Erin Belback is part of an ongoing human trial backed by NASA that aims to replicate the ...

The human gastrointestinal tract is in a constant state of flux; it hosts a diverse and dynamic community of microbes known as the gut microbiome, and is constantly exposed to things in the ...

Research from an international team finds that the human gut is a site of rapid change, with recent and important deviations from other mammals, including our closest living relative, the chimpanzee.